Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 51 > 

51-48-9

Basic Information
CAS No.: 51-48-9
Name: L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-
Article Data: 27
Cas Database
Molecular Structure:
Molecular Structure of 51-48-9 (L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-)
Formula: C15H11I4NO4
Molecular Weight: 776.875
Synonyms: Thyroxine,L- (8CI);(-)-Thyroxine;3,3',5,5'-Tetraiodo-L-thyronine;Henning;L-T4;L-Thyroxin;Levothyroxine;NSC 36397;T4;T4 (hormone);THX;Tetraiodothyronine;Thyrax;Thyreoideum;Thyroxin;Thyroxinal;Thyroxine;
EINECS: 200-101-1
Density: 2.635 g/cm3
Melting Point: 235 °C
Boiling Point: 576.306 °C at 760 mmHg
Flash Point: 302.339 °C
Solubility: insoluble in water
Appearance: Crystalline Solid
Hazard Symbols: HarmfulXn
Risk Codes: 40
Safety: 22-24/25-36
Transport Information: N/A
PSA: 92.78000
LogP: 5.25760
Synthetic route
51-48-9

L-thyroxine

Conditions
ConditionsYield
With sodium hypochlorite; tert-butylamine; sodium iodide In methanol at 20 - 30℃; Reagent/catalyst; Solvent;100%
With iodine; methylamine; potassium iodide In water at 0 - 5℃; for 2h;95%
With iodine; potassium iodide; sodium hydroxide In water at -10 - 10℃; Reagent/catalyst; Temperature;76.7%
With water; iodine; ethylamine; potassium iodide
With ammonia; iodine; potassium iodide

L-thyroxine, sodium salt hexahydrate

51-48-9

L-thyroxine

Conditions
ConditionsYield
With hydrogenchloride In methanol; dimethyl sulfoxide96%
300-39-0

3,5-diiodo-l-tyrosine

5,7-diiodo-1-oxaspiro[2.5]octa-4,7-dien-6-one

51-48-9

L-thyroxine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 24℃; for 16h; 0.2 M borate buffer, pH 8.0 (add. of 0.1 M NaOH);94%
70-40-6

3,3′-diiodothyronine

51-48-9

L-thyroxine

Conditions
ConditionsYield
Stage #1: 3,3′-diiodothyronine With methylamine In methanol at 25 - 30℃;
Stage #2: With iodine In methanol at -8 - 0℃;
Stage #3: With potassium dihydrogenphosphate; sodium hydrogensulfite In methanol at 15 - 20℃;
91.2%
300-39-0

3,5-diiodo-l-tyrosine

51-48-9

L-thyroxine

Conditions
ConditionsYield
With sodium hydroxide; dihydrogen peroxide; butan-1-ol
Multi-step reaction with 4 steps
1.1: sodium hydroxide / water / 1 h
1.2: 2 h / 20 - 40 °C
2.1: diisopropylamine / water; butan-1-ol / 2 h / 20 - 90 °C
2.2: 2 h / 20 - 30 °C
3.1: acetic acid; hydrogen iodide / 5 h / 100 °C
4.1: methylamine / methanol / 25 - 30 °C
4.2: -8 - 0 °C
4.3: 15 - 20 °C
View Scheme
1027-28-7

N-acetyl-3,5-diiodo-L-tyrosine

51-48-9

L-thyroxine

Conditions
ConditionsYield
With air; water at 37℃; Erhitzen des Reaktionsprodukts mit wss. Salzsaeure und Essigsaeure;
300-39-0

3,5-diiodo-l-tyrosine

((7R,8S)-8-Hydroxy-5,7-diiodo-6-oxo-1-oxa-spiro[2.5]oct-4-en-2-yl)-oxo-acetic acid

51-48-9

L-thyroxine

Conditions
ConditionsYield
at 0℃; for 0.75h; Yield given;
27059-94-5

iodoacetamide

3,5-diiodo-thyronine

3,5-diiodo-thyronine

51-48-9

L-thyroxine

Conditions
ConditionsYield
With methanol; triethylamine
623-11-0

1-methyl-4-nitrosobenzene

300-39-0

3,5-diiodo-l-tyrosine

7722-84-1

dihydrogen peroxide

71-36-3

butan-1-ol

51-48-9

L-thyroxine

casein

casein

51-48-9

L-thyroxine

Conditions
ConditionsYield
Jodierung und anschliessende Hydrolyse;
  • Display:default sort

    New supplier

  • Fast Delivery T4/L-Thyroxine 51-48-9 In Stock

  • Casno:

    51-48-9

    Fast Delivery T4/L-Thyroxine 51-48-9 In Stock

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Name: L-Thyroxine Synonyms: 3,5,3’,5’-tetraiodothyronine;beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine;l-3,5,3’,5’-tetraiodothyronine;l-t4;o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin;β-((3,5-Diiodo

    The technology research and development, application and promotion of biotechnology: investment in the biotechnology industry; Import and export of goods and technology import and

  •  WUHAN CIRCLE POWDER TECHNOLOGY CO.,LTD

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 15377521700

    Address:https://chemdky.lookchem.com/

       Inquiry Now

  • High Quality API 99% purity Supply High Purity L-Thyroxine Powder with Best Price

  • Casno:

    51-48-9

    High Quality API 99% purity Supply High Purity L-Thyroxine Powder with Best Price

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.6-0.6/Gram

    We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

    Xi'an faithful BioTech Co., Ltd. is located in the beautiful city of xian. We are mainly engaged in the production of pharmaceutical intermediates, natural active ingredients, nat

  •  Xi'an Faithful Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-13137770562

    Address:Room 503,Unit 2,Building 3 ,TianLangDaXingJun, Daxing East Road, Lianhu District

       Inquiry Now

  • L-Thyroxine Manufacturer/High quality/Best price/In stock

  • Casno:

    51-48-9

    L-Thyroxine Manufacturer/High quality/Best price/In stock

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 3.0-3.0/Kilogram

    As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

    Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredi

  •  Dayang Chem (Hangzhou) Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-88938639

    Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

       Inquiry Now

  • L-Thyroxine Powder

  • Casno:

    51-48-9

    MSDS/COA Download

    L-Thyroxine Powder

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 299.0-300.0/Kilogram

    Founded in 2014, Kono Chem Co., Ltd is an export-oriented production enterprise supported by the State Department of Commerce. Kono Chem covers an area of 312,000 square meters, with scientific and technological personnel accounting for more than 35%

    Kono Chem Co.,Ltd is a leading producer of standardized herbal extracts, natural active ingredients and APIs for pharmaceutical, health food and cosmetic industries. Annually, mo

  •  Kono Chem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-29-86107037-8015

    Address:No.11 Daqing Road,Lianhu District,Xi’an 710082,China

       Inquiry Now

  • High Quality 99% thyroxine (t4) 51-48-9 GMP manufacturer

  • Casno:

    51-48-9

    High Quality 99% thyroxine (t4) 51-48-9 GMP manufacturer

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.1-0.1/Gram

    1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

    Xi'an Xszo Chem Co. Ltd is a wholly-owned subsidiary of the SZO Chem Group. SZO Group is composed of Xi'an Xszo Chem Co. Ltd & Shaanxi SZO Tech Co., Ltd. SZO industry Group have mo

  •  Xi'an Xszo Chem Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-029-88698540

    Address:No.16,Jingqin Rd. JingWei Industrial park,Shaanxi,China,710200

       Inquiry Now

  • T4 Levothyroxine CAS#51-48-9

  • Casno:

    51-48-9

    T4 Levothyroxine CAS#51-48-9

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-3.0/Kilogram

    1. Levothyroxine 2. CAS#51-48-9 3. Manufacture. ISO9001 4. Purity:98.5%min 5. Packing: 25kg/drum or as your request Appearance:white crystalline powder Storage:Keep in a cool, dry, dark location in a tightly sealed container or cylinder Package

    Orchid Chemical was established in 2009; we are headquartered in Hangzhou, which is 200 km from China's biggest sea port, Shanghai. Orchid chemical is a joint-venture company, com

  •  ORCHID CHEMICAL SUPPLIES LTD

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-85395792

    Address:607, North Zhongshan Road, Hangzhou 310000 China

       Inquiry Now

  • Factory Supply Levothyroxine

  • Casno:

    51-48-9

    Factory Supply Levothyroxine

    Min.Order: 1

    FOB Price:  USD $ 0.0-0.0/

    The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

    Ality Chemical, established in 2007, is a comprehensive Chemical Production&Supply Group with Patent Technology as its core. Ality Chemical operates sales branches in Shanghai, Xia

  •  Ality Chemical Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:0513-87616220

    Address:Fine chemical industry park, Nantong,Jiangsu

       Inquiry Now

  • Factory supply high quality L-Thyroxine Cas 51-48-9 with favorable price

  • Casno:

    51-48-9

    Factory supply high quality L-Thyroxine Cas 51-48-9 with favorable price

    Min.Order: 100 Gram

    FOB Price:  USD $ 3.0-5.0/Gram

    Unique advantages for L-Thyroxine Cas 51-48-9 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:An odorless almost white or buffcolored powder Storage:Store in 2-8℃ Packa

    Wuhan Fortuna Chemical Co., Ltd, located in the predominant Wu Han City where is a traffic hinge of China, is a big integrative chemical enterprise being engaged in producing and

  •  Wuhan Fortuna Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-27-59207852

    Address:A2705,Dong Yi Shi Qu,129# XinHua Road,WuHan,China

       Inquiry Now

  • L-Thyroxine

  • Casno:

    51-48-9

    L-Thyroxine

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0/Milligram

    1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

    Founded in 2011, Amadis Chemical Company Limited is an innovative manufacturer of chemical products and technical service providers. Our business includes sales, manufacture, and s

  •  Amadis Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-89925085

    Address:Watts Cosine.No.166.Xiangmao Road.

       Inquiry Now

  • L-Thyroxine, 97+%

  • Casno:

    51-48-9

    L-Thyroxine, 97+%

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    Good quantity L-Thyroxine Basic information Product Name: L-Thyroxine Synonyms: 3,5,3’,5’-tetraiodothyronine;beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine;l-

    Our company engages in Electronic chemicals such as OLED,Photoresist chemical,Electrolyte additive and Intermediate Pharmaceutical production; development of noble metal catalysts,

  •  Henan Tianfu Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-371-55170693/55170694

    Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

       Inquiry Now

  • Safe Oral Steroids L-Thyroxine T4 CAS 51-48-9 Pharmaceuticals Fat Loss Steroids

  • Casno:

    51-48-9

    Safe Oral Steroids L-Thyroxine T4 CAS 51-48-9 Pharmaceuticals Fat Loss Steroids

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

    Hubei Xinrunde Chemical Co., Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s)

  •  Hubei XinRunde Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+8618874586545

    Address:No.43, Xinandu Industrial Park, East and West Lake District, Wuhan, Hubei, China

       Inquiry Now

  • High CAS 51-48-9 with fast shipping

  • Casno:

    51-48-9

    High CAS 51-48-9 with fast shipping

    Min.Order: 10 Gram

    FOB Price:  USD $ 146.0-176.0/Gram

    WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

    Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is (Wen Xi Pharma), including three subs

  •  Zhuozhou Wenxi import and Export Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13111626072

    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

       Inquiry Now

  • L-thyroxine CAS:51-48-9 Safe delivery Free of customs clearance

  • Casno:

    51-48-9

    MSDS/COA Download

    L-thyroxine CAS:51-48-9 Safe delivery Free of customs clearance

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-10.0/Kilogram

    What's our company advantages 1. Government support guarantees good company credibility and finance safe. 2. Finer chem is confident at the quality of the products, and would like to supply free sample to our customers. 3. Factory locates in n

    Mulei (Wuhan) New Material Technology Co. Ltd is a scientific and technological company integrating product research and development, manufacture and trading of chemical intermedia

  •  WUHAN MULEI NEW MATERIAL CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619831967063

    Address:Office1201#, Block C, Hanjie Headquarters International Plaza, Zhongbei Rd, Wuchang District, Wuhan

       Inquiry Now

  • BLOOM TECH Advanced API/Technology support L-Thyroxine CAS 51-48-9

  • Casno:

    51-48-9

    MSDS/COA Download

    BLOOM TECH Advanced API/Technology support L-Thyroxine CAS 51-48-9

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Inquiry guide 1.Please send the quantity(Weight) to us, we will arrange our sales to provide the one-for-one service for you. 2.Then we will provide the professional quotation list for you, it will be including all the factors in who

    WHO WE ARE 1.We Focus on the technology of Organic Synthesis since 2008. 2.API/Pharmaceutical intermediate/Fine chemical/New material/Extraction etc. 3.Chemical reagent: Over 300,0

  •  Shaanxi BLOOM TECH Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-29-86470566

    Address:Block A of Central Mansion, No.113 of Weiyang Rd, ETDZ, Xi'an, Shaanxi 710016, China

       Inquiry Now

  • L-Thyroxine/ LIDE PHARMA- Factory supply / Best price

  • Casno:

    51-48-9

    L-Thyroxine/ LIDE PHARMA- Factory supply / Best price

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&

    LIDE PHARMACEUTICALS LIMITED is one of the fastest growing pharmaceutical company in China. We have developed strategic partnership with our manufacturing associates having state o

  •  LIDE PHARMACEUTICALS LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-25-58409506

    Address:11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.

       Inquiry Now

  • L-thyroxine(T4) CAS NO.51-48-9

  • Casno:

    51-48-9

    L-thyroxine(T4) CAS NO.51-48-9

    Min.Order: 10 Kilogram

    FOB Price:  USD $ 1.0-2.0/Kilogram

    1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so you can trust us. 2, Payment me

    Hubei Jusheng Technology Co., Ltd., is a large group corporation which engaged in the R&D and manufacture of chemicals, Pharmaceuticals and intermediates. We have earned ourselves

  •  Hubei Jusheng Technology Co., Ltd.,

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-18871490254

    Address:High-tech Industrial Park,Tianmen city,Hubei province.

       Inquiry Now

  • CAS 51-48-9   L-Thyroxine

  • Casno:

    51-48-9

    CAS 51-48-9 L-Thyroxine

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

    Hubei Jiutian Bio-medical Technology CO.,Ltd, which is professional in research and sale high techology.The company located in Wuhan, We insist on the concept of "technology first,

  •  Hubei Jiutian Bio-medical Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-027-88013699

    Address:Room 03-6, 5th floor, building 1, international enterprise center phase iii, no. 1, guanggu avenue, east lake new technology development zone, wuhan city

       Inquiry Now

  • L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo- 51-48-9

  • Casno:

    51-48-9

    L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo- 51-48-9

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

    Shanghai Upbio Tech Co.,Ltd (Former Onchem (China)Co.,Ltd) is a comprehensive manufacturer and an international distribution of chemicals throughout the world, The predecessor of

  •  Shanghai Upbio Tech Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

    Address:No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China

       Inquiry Now

  • L-Thyroxine

  • Casno:

    51-48-9

    L-Thyroxine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aro

    Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Fine chemicals, Active pharmaceutical ingredients(APIs), Veterinary, In

  •  Chemwill Asia Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:021-51086038

    Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China

       Inquiry Now

  • L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-

  • Casno:

    51-48-9

    L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

    The company is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds,

  •  Henan Wentao Chemical Product Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-370-2722992

    Address:32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province

       Inquiry Now

  • L-Thyroxine/CAS:51-48-9

  • Casno:

    51-48-9

    L-Thyroxine/CAS:51-48-9

    Min.Order: 100 Gram

    FOB Price:  USD $ 286.0-313.0/Gram

    Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At pres

    Baoji Guokang Healthchem co.,ltd located in Baoji High-tech Zone,is epitomizing international,cooperative and honest.We are a young company full of action and energy,and our profes

  •  Baoji Guokang Healthchem co.,ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-917-3909592

    Address:China

       Inquiry Now

  • L-Thyroxine CAS: 51-48-9

  • Casno:

    51-48-9

    L-Thyroxine CAS: 51-48-9

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    L-Thyroxine CAS: 51-48-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates,

    Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, speciali

  •  Qingdao Beluga Import and Export Co., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8613854236000

    Address:qingdao

       Inquiry Now

  • L-Thyroxine  Cas No: 51-48-9

  • Casno:

    51-48-9

    MSDS/COA Download

    L-Thyroxine Cas No: 51-48-9

    Min.Order: 10 Gram

    FOB Price:  USD $ 1.0-3.0/Gram

    Our Service: 1. Best quality in your requirement 2. Competitive price in china market 3. Mature technical support 4. Professional logistic support 5 . Full experience of large numberscontainers loading in chinese sea port 6 .Fast

    Wuhan Monad Medicine Tech Co.,LTD is a research and development, production, sales in one high-tech company, own about 100 kinds of products, can provide about more than 30000 kind

  •  Wuhan Monad Medicine Tech Co.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8613397160123

    Address:13th Floor, Tower B, Century Plaza, Zhongnan Road, Wuchang District, Wuhan, China.

       Inquiry Now

  • Professional Supplier Provide Levothyroxine// T4// L-Thyroxine

  • Casno:

    51-48-9

    Professional Supplier Provide Levothyroxine// T4// L-Thyroxine

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products wi

    WUHAN WONDA PHARMACEUTICAL AND CHEMICAL LIMITED is specializing in custom synthesis, manufacture and import & export of nootropics, herbal extract, OLED etc. Wuhan Wonda Pharm & Ch

  •  Wuhan Wonda Pharm Limited

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:027-84306245

    Address:Wuhan Private Science and Technology Park , Wuhan, China

       Inquiry Now

  • L-Thyroxine

  • Casno:

    51-48-9

    L-Thyroxine

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

  •  Shandong Hanjiang Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

       Inquiry Now

  • L-Thyroxine

  • Casno:

    51-48-9

    L-Thyroxine

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 200.0-200.0/Kilogram

    L-Thyroxine Basic information Product Name: L-Thyroxine Synonyms: 3,5,3’,5’-tetraiodothyronine;beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alan

    Who we are ? Located in Zhengzhou City, China , Henan Daken Chemical Co.,Ltd was Established in June ,1983.We have a 35 years history for fine chemical synthesis .Daken has young

  •  Henan DaKen Chemical CO.,LTD.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-371-55541817

    Address:No.56 Hongzhuan Road,Jinshui,Zhengzhou,450000,China

       Inquiry Now

  • Hot sale 51-48-9 L-Thyroxine with best price

  • Casno:

    51-48-9

    MSDS/COA Download

    Hot sale 51-48-9 L-Thyroxine with best price

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1000.0-1500.0/Kilogram

    Hot sale 51-48-9 L-Thyroxine with best price Our main products: Crovell is specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl, benzyl chloride etc., C

    Hebei Guanlang Biotechnology Co., Ltd. belongs to Guanlang Group,which was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector amon

  •  Hebei Guanlang Biotechnology Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619930503256

    Address:No.66, Yuhua West Road

       Inquiry Now

  • Safe delivery  L-Thyroxine Cas51-48-9

  • Casno:

    51-48-9

    Safe delivery L-Thyroxine Cas51-48-9

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 10.0-20.0/Kilogram

    1.Control raw materials strictly,our products are the highest purity. Quality have Gurantee. 2.Reasonable and competitive price. Provide the best and professional service. Stable price have Gurantee. 3.Fast delivery of the samples,samples fro

    Wuhan Alpha & Omega Pharmaceuticals Co., Ltd is located in Hubei Province, China.

  •  Wuhan Alpha & Omega Pharmaceuticals Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8613545906676

    Address:Room 1305, BULIDING JINHE Wuchang District, Wuhan

       Inquiry Now

  • L-thyroxineCAS:51-48-9

  • Casno:

    51-48-9

    L-thyroxineCAS:51-48-9

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 13.0-13.0/Kilogram

    1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment terms accepted (Btc;MoneyGram;WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery (3-10 DAYS fast deli

    Hebei Youze biotechnology Co., Ltd. has a registered capital of 1 million yuan and is one of the most dynamic foreign trade companies in the Chinese market. We have a pharmaceutica

  •  Hebei youze Biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:15354208457

    Address:No.46 Dongliu West Street, Congtai District

       Inquiry Now

  • 3,3',5,5'-Tetraiodo-L-Thyronine

  • Casno:

    51-48-9

    3,3',5,5'-Tetraiodo-L-Thyronine

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

    Shanghai BetterBioChem Co., Ltd. specializes in research, production of APIs, building blocks and key pharmaceutical intermediates. We provide our products from milligrams to kilog

  •  Shanghai BetterBioChem Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-18013506594

    Address:No. 8 Building, 18 nong, Xi Yingnan Road, Pudong, Shanghai,China

       Inquiry Now

  • Factory supply L-thyroxine powder with best price

  • Casno:

    51-48-9

    Factory supply L-thyroxine powder with best price

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Q1: Are you a manufacturer?Answer: Yes, we are factory founded on 2002. Q2: How to contact with us?Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours. Q3:Which kind of payment terms do yo

    DB Biotech co., ltd is a global and professional supplier for plant extracts and functional ingredients, the company is based in XI’an city, which is famous city for the producttio

  •  DB BIOTECH CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86--1829 2989 553

    Address:No.99 Road, Xi'an, China

       Inquiry Now

  • Supply Levothyroxine / L-Thyroxine / Levothyroxine T4 51-48-9 for Wholesale

  • Casno:

    51-48-9

    Supply Levothyroxine / L-Thyroxine / Levothyroxine T4 51-48-9 for Wholesale

    Min.Order: 5 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    XAZB Biotech Co., Ltd is specialized in researching, producing and selling herbal extract and API powder, which are mainly used in nutraceutical, cosmetic, beverage and food additives etc. Owing plant base, extracting and purifying in GMP workshop, c

    Xi'an ZB Biotech Co., Ltd is specialized in researching, producing and selling herbal extract and API powder, which are mainly used in nutraceutical, cosmetic, beverage and food ad

  •  Xi'an ZB Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-18591943808

    Address:Bldg. 3, East Of South Tangyan Road, High-Tech Zone, Xi'an, Shaanxi, China (Mainland)

       Inquiry Now

  • UNBOUND L-THYROXINE

  • Casno:

    51-48-9

    UNBOUND L-THYROXINE

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

    AFINE CHEMICALS LIMITED is specialized in the fine chemicals and pharmaceuticals and we have enjoyed great popularity in world markets. Since 2005, we have been rapidly growing to

  •  Afine Chemicals Limited

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85134551

    Address:No. 206 Zhen Hua Road, Hangzhou 310030, Zhejiang, China

       Inquiry Now

  • L-Thyroxine

  • Casno:

    51-48-9

    L-Thyroxine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    We have strong R&D center which can support and provide custom synthesis accordingly such as fine chemicals,biotechnique , pharmaceuticals etc.We can provide free sample for our clients to test anf verify the quality of our goods.LongyuChem holds str

    Shanghai Longyu biotech Co., Ltd. is a large-scale modern chemical production enterprise dedicated to the production, research and development and sales of chemical products. It co

  •  shanghai Longyu biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15821988213

    Address:Dalian Rd 950th

       Inquiry Now

  • L-Thyroxine

  • Casno:

    51-48-9

    L-Thyroxine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

    J&H Chemical is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other

  •  Hangzhou J&H Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

       Inquiry Now

  • Factory supply 51-48-9 L-Thyroxine/Levothyroxine powder

  • Casno:

    51-48-9

    Factory supply 51-48-9 L-Thyroxine/Levothyroxine powder

    Min.Order: 1 Gram

    FOB Price:  USD $ 5.0-5.0/Gram

    Name: L-Thyroxine Synonyms: 3,5,3’,5’-tetraiodothyronine;beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine;l-3,5,3’,5’-tetraiodothyronine;l-t4;o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin;β-((3,5-Diiodo

    Chengdu YoungShe Chemical Co.,Ltd is a dynamic and progressive cosmetic peptides supplier in China. We are dedicating to be the most professional, efficient,and reliable partner fo

  •  Chengdu Youngshe Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-28-62328193

    Address:6,23th FL,Building 1,No 666,Jitai Rd,New and Hi-tech zone,Chengdu,China

       Inquiry Now

  • Top Quality T4 L-Thyroxine

  • Casno:

    51-48-9

    Top Quality T4 L-Thyroxine

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 100.0-100.0/Kilogram

    HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. HangYu Chemical consis

    Zibo HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals

  •  Zibo Hangyu Import&Export Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15988566987

    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

       Inquiry Now

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 51-48-9

Specification

The Levothyroxine, with the CAS registry number 51-48-9, is also known as L-thyroxine. It belongs to the product categories of Amino Acids; Organics; Heterocyclic Compounds; Amino Acids & Derivatives; Intermediates & Fine Chemicals; Pharmaceuticals; Isotope Labeled Compounds. Its EINECS registry number is 200-101-1. This chemical's molecular formula is C15H11I4NO4 and molecular weight is 776.87002. Its IUPAC name is called (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid. This chemical's classification codes are Hormone; Human Data; Mutation data; Reproductive Effect. 

Physical properties of Levothyroxine: (1)ACD/LogP: 4.72; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.206; (4)ACD/LogD (pH 7.4): 1.678; (5)ACD/BCF (pH 5.5): 6.982; (6)ACD/BCF (pH 7.4): 2.069; (7)ACD/KOC (pH 5.5): 27.027; (8)ACD/KOC (pH 7.4): 8.01; (9)#H bond acceptors: 5; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 7; (12)Index of Refraction: 1.795; (13)Molar Refractivity: 125.446 cm3; (14)Molar Volume: 294.745 cm3; (15)Surface Tension: 79.617 dyne/cm; (16)Density: 2.636 g/cm3; (17)Flash Point: 302.339 °C; (18)Enthalpy of Vaporization: 90.781 kJ/mol; (19)Boiling Point: 576.306 °C at 760 mmHg; (20)Vapour Pressure: 0 mmHg at 25°C.

Preparation: this chemical can be extracted from animal thyroid, but also can use 5-bis iodine-L-tyrosine as raw material.

Levothyroxine can be used as a hormone replacement for patients with thyroid problems. This medicine is a hormone replacement usually given to patients with hypothyroidism. Levothyroxine is also frequently used to treat goiter because it usually lowers the levels of thyroid-stimulating hormone, a hormone that is considered goitrogenic. This chemical can be used in veterinary. The dosage for dogs with hypothyroidism is usually a twice daily dose of between 10-40 μg per kg of body weight.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause damage to health. There is limited evidence of a carcinogenic effect. You should not breathe its dust. What's more, you must avoid contacting it with skin and eyes. Whenever you will contact it, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)CC(C(=O)O)N
(2)Isomeric SMILES: C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C[C@@H](C(=O)O)N
(3)InChI: InChI=1S/C15H11I4NO4/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23/h1-2,4-5,12,21H,3,20H2,(H,22,23)/t12-/m0/s1
(4)InChIKey: XUIIKFGFIJCVMT-LBPRGKRZSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
child TDLo oral 328ug/kg (0.328mg/kg) CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP

VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION
Pediatrics. Vol. 73, Pg. 313, 1984.
man TDLo oral 63ug/kg (0.063mg/kg) BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS"

CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP
Journal of Toxicology, Clinical Toxicology. Vol. 20, Pg. 517, 1983.
man TDLo oral 10286ug/kg (10.286mg/kg) BEHAVIORAL: EXCITEMENT

CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP

GASTROINTESTINAL: NAUSEA OR VOMITING
Veterinary and Human Toxicology. Vol. 41, Pg. 323, 1999.
women TDLo oral 400ug/kg/2D-I (0.4mg/kg) BEHAVIORAL: COMA

CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION)
Intensive Care Medicine. Vol. 13, Pg. 33, 1987.