Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 73 > 

73-22-3

Basic Information
CAS No.: 73-22-3
Name: L-Tryptophan
Molecular Structure:
Molecular Structure of 73-22-3 (L-Tryptophan)
Formula: C11H12N2O2
Molecular Weight: 204.25
Synonyms: L(-)-Tryptophan;EH 121;l-alpha-Aminoindole-3-propionic acid;(S)-alpha-Amino-beta-(3-indolyl)-propionic acid;Sedanoct;L-Tryptophan (JP14);L-Trp;(S)-alpha-Amino-beta-indolepropionic acid;NCI-C01729;(S)-2-Amino-3-(3-indolyl)propionic acid;(-)-Tryptophan;(S)-alpha-Aminoindole-3-propionic acid;(2S)-2-azaniumyl-3-(1H-indol-3-yl)propanoate;Tryptophan, L-;2-Amino-3-indolylpropanoic acid;WV;Pacitron;Indole-3-alanine;1H-Indole-3-propanoic acid, alpha-amino-, (S)-;(S)-Tryptophan;Alanine, 3-indol-3-yl;L-(-)-Tryptophan;Triptofano [Spanish];3-Indol-3-ylalanine;Ardeytropin;L-alpha-Amino-3-indolepropionic acid;(S)-alpha-Amino-1H-indole-3-propanoic acid;Tryptophan (VAN);alpha-Amino-3-indolepropionic acid, L-;Tryptophanum [Latin];L-Alanine, 3-(1H-indol-3-yl)-;L-Tryptophan (9CI);
EINECS: 200-795-6
Density: 1.363 g/cm3
Melting Point: 289-290 °C (dec.)(lit.)
Boiling Point: 447.908 °C at 760 mmHg
Flash Point: 224.687 °C
Solubility: 11.4 g/L (25°C) in water
Appearance: White to off-white crystalline powder
Hazard Symbols: IrritantXi
Risk Codes: 33-40-62-41-37/38-36/37/38-22
Safety: 24/25-36/37/39-36-26
Transport Information:
PSA: 79.11000
LogP: 1.82260
  • Display:default sort

    New supplier

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

  • Casno:

    73-22-3

    MSDS/COA Download

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

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-3.0/Kilogram

    Dayangchem’s 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. DayangChem can provide different quantiti

    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

  • supply feed grade l-tryptophan

  • Casno:

    73-22-3

    supply feed grade l-tryptophan

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to bene

    Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional

  •  Simagchem Corporation

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-592-2680277

    Address:21/F Hualong Office Building,No.6 Hubin East Road, Xiamen,China

       Inquiry Now

  • L-Tryptophan (Feed grade)(73-22-3)

  • Casno:

    73-22-3

    L-Tryptophan (Feed grade)(73-22-3)

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Name:L-Tryptophan CAS:73-22-3 MF:C11H12N2O2 MW:204.23 Purity:98-101% Appearance:White to yellowish white crystals Pack:25KG/drum Storage:Keep container tightly closed, store in a cool, dry, well-ventilated area The density

    Qingdao Wanyuan Mountain Biological Technology Co., Ltd. was established in 2004.Our company has passed the ISO9001 international quality system certification. After years of devel

  •  Qingdao Wanyuan Mountain Biotech Co.Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-0532-66720179

    Address:qingdao

       Inquiry Now

  • food grade L-Tryptophan

  • Casno:

    73-22-3

    food grade L-Tryptophan

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 15.0-15.0/Kilogram

    Quick Details Place of Origin: Shaanxi, China Model Number: 20190129 Type: Feed Grade Amino Acids, Feed Grade Enzymes, Feed Grade Vitamins, Vitamins, Am

    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

  • L-Tryptophan    73-22-3

  • Casno:

    73-22-3

    L-Tryptophan 73-22-3

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-99999.0/Kilogram

    Changzhou Pesan Chemical Co., Ltd. is a dynamic and professional chemical company. Since its establishment, We provide raw materials and intermediates for the pharmaceutical industry and organic electronic materials. All of our staff have a chemic

    Changzhou Pesan Chemical Co., Ltd. is a dynamic and specialized chemical company. Since our establishment, We provide raw materials and key intermediates for pharmaceutical industr

  •  Changzhou Pesan Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86 021 61559630

    Address:No.7-9,Guanghua St.,Zhonglou District,Changzhou,China

       Inquiry Now

  • Top quality 99% L-Tryptophan powder factory

  • Casno:

    73-22-3

    Top quality 99% L-Tryptophan powder factory

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Description Appearance: White crystal or crystalline powder CAS NO.: 73-22-3 EINECS NO.: 200-795-6 Molecular formular: C11H12N2O2 Molecular weight: 204.2252 Melting point: 280-285℃ Boiling

    Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and inte

  •  Shaanxi Mingqi Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18092428356

    Address:Weiyang District

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 200 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    HIGH QULAITY PROMPT DELIVERY COMPETTIVE OFFR Appearance:white powder Storage:It should be stored in a dry and ventilated warehouse and avoid sundry odors pollution. Sunlight and rain should be prevented during transportation Package:25kg/drum Appli

    Shijiazhuang Tianhonglida Import & Export Co.,Ltd. (SJZ THLD IMP & EXP CO LTD)Your loyal partners for purchasing food and feed ingredients,bulk pharm

  •  SJZ THLD IMP & EXP CO LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-311-66699812

    Address:NO.600 ZHONGSHAN EAST ROAD SHIJIAZHUANG

       Inquiry Now

  • High quality l-tryptophan

  • Casno:

    73-22-3

    High quality l-tryptophan

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art equ

    BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wea

  •  Xiamen BaiFuchem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86 592 605 6448

    Address:No.31 Pingshan South Road, HaiCang District, Xiamen, China

       Inquiry Now

  • Pharma Grade L-Tryptophan

  • Casno:

    73-22-3

    Pharma Grade L-Tryptophan

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Product name: L-Tryptophan CAS No.:73-22-3 Molecule Formula:C11H12N2O2 Molecule Weight:204.23 Purity: 99.5% Package: 25kg/drum Description:White or primrose yellow crystalline powder Manufacturer standard: AJI, USP. EP.

    Siwei Development Group Ltd. is a reputed professional enterprise in China dedicated to the Amino Acids production and sales of fine chemical products.Over the years we have been m

  •  Siwei Development Group Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-82881840

    Address:Rm2-2-503 Zhongdingyuan, Xianghurenjia Wenyan Xiaoshan, Hangzhou China

       Inquiry Now

  • L-Tryptophan USP/EP/AJI

  • Casno:

    73-22-3

    MSDS/COA Download

    L-Tryptophan USP/EP/AJI

    Min.Order: 5 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    It conforms to USP/AJI/EP. Appearance:White powder Storage:Cool and dry Package:25kg/drum Application:used for amino acid Transportation:by sea air or express Port:Hangzhou or Shanghai,China

    Dawn Ray is a R&D and process improvement company,which is located in Hangzhou,Zhejiang province,China. We are dealing in muti-application of pharmaceuticals(APIS),antiobics,food a

  •  Hangzhou Dawn Ray Pharmaceutical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-571-85335020

    Address:1018 Guangyin Building,No.42 E.Fengqi Road,Hangzhou,310012 China

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    We professional development and produce various amino acid products and heterocyclic compounds, there are five main series (D-amino acids, protected amino acids, amino acid derivatives, peptides and heterocyclic compounds) more than 80 varietie

    Chengdu Baishixing Science and Technology Industry Co.,Ltd is situated in the national ecology example county ,which is Pujiang county in Chengdu city,Sichuan province.Pujiang is

  •  Chengdu Baishixing Science and Technology Industry Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-28-88536826

    Address:#217,North of Industry Road,Heshan Town,Pujiang County,Chengdu,Sichuan,China.

       Inquiry Now

  • Low Price high quality 99% L-Tryptophan

  • Casno:

    73-22-3

    Low Price high quality 99% L-Tryptophan

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 28.0-28.0/Kilogram

    Low Price high quality 99% L-Tryptophan L-Tryptophan is white or light yellow crystalls or crystal powder; Odourless and slightly bitter taste. Slightly soluble in water, slightly dissolve in ethanol, insoluble in chloroform, easy sol

    Greenutra Resource is committed to the natural ingredients, formulation and application in the field of R&D, production and sales as the “one-step” natural product solution provide

  •  Greenutra Resource Inc

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0086-411-39553357

    Address:No. 7-1-1802, Huizhi Garden,Ocean Square,Dalian, 116033, China

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 10.0-10.0/Metric Ton

    Product Name: L-Tryptophan Synonyms: (s)-2-amino-3-(1h-indol-3-yl)propanoic acid;(S)-(-)-2-AMINO-3-(3-INDOLYL)PROPIONIC ACID;(S)-2-AMINO-3-(3-INDOLYL… Founded in 2014, as a professional international pharmaceutical corporation, headquarter

    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

  • Buy Amino Acid Powder Fertilizer(Animal Source)

  • Casno:

    73-22-3

    Buy Amino Acid Powder Fertilizer(Animal Source)

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 3.0-3.0/Metric Ton

    CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

    Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of

  •  Hebei yanxi chemical co.,LTD.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-0311-66561638

    Address:Zhang zhe, guangzong county, xingtai city, hebei province

       Inquiry Now

  • good quality L-Tryptophan

  • Casno:

    73-22-3

    MSDS/COA Download

    good quality L-Tryptophan

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Specifications L-Tryptophan 98.5% Feed Grade Fermentation product from natural raw material Improve feedintake and balance the nutrition L-Tryptophan is one of essential amino acids and the fourth limiting amino acid in animal diets, whi

    TNJ is a chemical company since 2001. Our specialization, your confidence-we keep committing to meet the needs of markets and customers with our innovative technology and high stab

  •  Hefei TNJ chemical industry co.,ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-551-65418695

    Address:B911 Xincheng Business Center, Qianshan Road, Hefei Anhui China

       Inquiry Now

  • L-Tryptophan CAS#73-22-3

  • Casno:

    73-22-3

    L-Tryptophan CAS#73-22-3

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    L-Tryptophan 1.CAS:73-22-3 2.Purity:99% 3.White crystal powder 4.Nutrition supplement AJI92, USP Appearance:White to Yellowish White Crystals or Crystalline Powder Storage:Keep in a cool, dry, dark location in a tightly sealed container

    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

  • 73-22-3 L-Tryptophan

  • Casno:

    73-22-3

    73-22-3 L-Tryptophan

    Min.Order: 1 Gram

    FOB Price:  USD $ 40.0-50.0/Gram

    1.good quality 1) good quality is the basic of our goal; 2) we can offer samples to be tested; 3) 98% of our products have exported to uk, usa, germany, spain, australia, middle east and many other countries. 4) Good feedback of quality from our cu

    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

  • Manufacturer supply L-Tryptophan 73-22-3 with good price

  • Casno:

    73-22-3

    Manufacturer supply L-Tryptophan 73-22-3 with good price

    Min.Order: 100 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Manufacturer supply L-Tryptophan 73-22-3 with good price TAIHO Unique Advantages: We're factory Free samples available Commodity inspection can be done ISO9001,Kosher certifications Appearance:Powder Storage:Keep in sealed container, place in a

    As a member of TAIHO Group,Hubei Taiho Chemical Co.,Ltd,is a professional new-type chemicals enterprise combined into research and development,production and sales.We adhere to the

  •  Hubei Taiho Chemical Co.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-18120399543

    Address:No. 49 taifeng Road,Qianjiang City,Hubei,China

       Inquiry Now

  • Manufacturer high quality L-Tryptophan CAS NO.: 73-22-3

  • Casno:

    73-22-3

    MSDS/COA Download

    Manufacturer high quality L-Tryptophan CAS NO.: 73-22-3

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 60.0-80.0/Kilogram

    Xi'an Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materia

    Xi'an Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of S

  •  Xi'an Julong Bio-Tech Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+008618049624045

    Address:Xi'an

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    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

  • 99% Food Grade L-Tryptophan Powder price CAS 73-22-3

  • Casno:

    73-22-3

    99% Food Grade L-Tryptophan Powder price CAS 73-22-3

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 14.0-19.0/Kilogram

    Come From Nature / Building Healthy Life Beauty In Your Face / Nourishment Your Taste Bud. Professional Factory: We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of conten

    Xi 'an Quanao Biotech Co., Ltd. with 10 years experience in plant extract filed. Focus on the research, production and sale of Plant and Animal extract ,Medical intermediate ,compl

  •  Xi'an Quanao Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-29-86719484

    Address:B-1604,Juncheng Guoji, Taiyuan Road, Weiyang distirct

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0/Milligram

    18-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China

    Located in Zhangjiang High-tech Park , Shanghai , the building of Shanghai Tauto Biotech Co., Ltd. occupies a 2-hectare floor space and boasts a building area of 20,000 square mete

  •  shanghai Tauto Biotech Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-21-51320588 ext. 8025

    Address:No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    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

  • Bulk Price CAS 73-22-3 L-Tryptophan L Tryptophan

  • Casno:

    73-22-3

    MSDS/COA Download

    Bulk Price CAS 73-22-3 L-Tryptophan L Tryptophan

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 30.0-30.0/Kilogram

    Our Advantages. 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery by well-reputed shipping lines. 4.Trial order is available for testing after samples. 5.We will inform you all the information at eve

    Shaanxi greenyo biotech co., ltd is one specialized company which engaged in the naturalplant extracts, pharmaceutical intermediates, chemical raw materials research and developmen

  •  Shaanxi Greenyo Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-29-81772657

    Address:Gaoxin 4th road, High-tech zone,

       Inquiry Now

  • L-tryptophan

  • Casno:

    73-22-3

    L-tryptophan

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    1. GMP AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Package:25kg/drum Application:active pharmaceutical ingredient Transportation:air/sea both ok

    HangZhou Clake Biotech CO.,LTD is located in hangzhou city ,zhejiang province,China. We are engaged in export of APIs ,excipients,food additives and finished products. With more th

  •  HANGZHOU CLAKE BIOTECH CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-87750367

    Address:RUIBO INTERNATIONAL ,HANGZHOU ,CHINA

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 5 Metric Ton

    FOB Price:  USD $ 1.0-2.0/Metric Ton

    L-Tryptophan CAS No.: 73-22-3 [Structural formula]: [Molecular formula]: C11H12N2O2 [Molecular weight]: 204.23 [Properties]: white crystal or crystal powder; light bitter taste; lightly soluble inw ater; insoluble in ethyl alcohol [Use

    Welcome to Henan Sinotech! Sinotech Corporation has exceptional sourcing ability for chemicals used in Organic Fine Chemicals and APIs; Inorganic chemicals; Flame Retardants;OLED

  •  Henan Sinotech Import&Export Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-371-86181678

    Address:No. 260, Dongming Road,Jinshui District

       Inquiry Now

  • Factory Supply H-Trp-OH

  • Casno:

    73-22-3

    Factory Supply H-Trp-OH

    Min.Order: 18 Metric Ton

    FOB Price:  USD $ 0.5-1.0/Metric Ton

    ProName: L-Tryptophan CasNo: 73-22-3 Molecular Formula: C11H12N2O2 Appearance: Solid powder Application: Applied in dietary supplements,pharmac... DeliveryTime: 3 DAYS AFETR PAYMENT PackAge: aluminum foil bag,carton drum

    Ality Group, established in 2007, is a comprehensive Chemical Supply Group with Patent Technology as its core. Ality Group operates branches in Hong Kong, Singapore and mainland Ch

  •  Ality Chemical Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:0513-87616220

    Address:Fine chemical industry park, Nantong,Jiangsu

       Inquiry Now

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

  • Casno:

    73-22-3

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

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    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-Tryptophan-

  • Casno:

    73-22-3

    L-Tryptophan-

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Product Name: L-Tryptophan Synonyms: (s)-2-amino-3-(1h-indol-3-yl)propanoic acid;(S)-(-)-2-AMINO-3-(3-INDOLYL)PROPIONIC ACID;(S)-2-AMINO-3-(3-INDOLYL)PROPIONIC ACID;(S)-(-)-TRYPTOPHAN;RARECHEM AB PP 1463;TR

    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

  • Factory direct supply CAS 73-22-3 with best price

  • Casno:

    73-22-3

    Factory direct supply CAS 73-22-3 with best price

    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

  • BLOOM TECH Advanced API/Technology support L-Tryptophan CAS 73-22-3

  • Casno:

    73-22-3

    MSDS/COA Download

    BLOOM TECH Advanced API/Technology support L-Tryptophan CAS 73-22-3

    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-Tryptophan Manufacturer/High quality/Best price/In stock  CAS No.:73-22-3

  • Casno:

    73-22-3

    MSDS/COA Download

    L-Tryptophan Manufacturer/High quality/Best price/In stock CAS No.:73-22-3

    Min.Order: 10 Gram

    FOB Price:  USD $ 4.0-100.0/Gram

    HUBEI AOKS TRADE CO.,LTD is located in Hubei province of China.We specialized in pharmaceutical intermediates,veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl,benzylchloride etc. We have strong profe

    HUBEI AOKS BIO-TECH CO.,LTD is located in Hubei province of China.We specialized in Active pharmaceutical ingredient,pharmaceutical intermediates,veterinary drug intermediates and

  •  HUBEI AOKS BIO-TECH CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-27-52345788

    Address:28F,China Construction Third Bureau,Wuhan,Hubei Province, China

       Inquiry Now

  • Nutrition Supplement 99% L-Tryptophan

  • Casno:

    73-22-3

    Nutrition Supplement 99% L-Tryptophan

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 280.0-300.0/Kilogram

    99% L-Tryptophanpowder for Nutrition Supplement CAS NO. 73-22-3 Appearance White fine powder Application Nutrition Supplement Purity 99%min Package Aluminum fo

    Xi'an Harmonious Natural Bio-Technology Co., Ltd. was founded in 2010, and located in Xian International Logistics Industrial Zone, Xi'an City, Shaanxi Province, China. Now it is

  •  Xi'an Harmonious Natural Bio-Technology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-029-86712509

    Address:huilinhuacheng 10-2104

       Inquiry Now

  • USP standard L-Tryptophan CAS 73-22-3 supplied by manufacturer

  • Casno:

    73-22-3

    USP standard L-Tryptophan CAS 73-22-3 supplied by manufacturer

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 20.0-60.0/Kilogram

    1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White crystals or crystalline powder Storage:Store at RT. Pac

    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:86-27-59207850

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

       Inquiry Now

  • High purity L-Tryptophan CAS No.:73-22-3

  • Casno:

    73-22-3

    High purity L-Tryptophan CAS No.:73-22-3

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-2.0/Kilogram

    L-Tryptophan CAS No.:73-22-3 Name: L-Tryptophan Synonyms: L(-)-Tryptophan; (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid; L-alphs-Amino-3-indolepropionic acid; Indole-3-alanine; Trp Molecular Structure

    HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketi

  •  Hangzhou Think Chemical Co. Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-571-89986307/81956191/81956084/81956192

    Address:Room 719 Building D Meidu Plaza 789 Moganshan Road

       Inquiry Now

  • L-Tryptophan99% CAS#73-22-3

  • Casno:

    73-22-3

    L-Tryptophan99% CAS#73-22-3

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 40.0-40.0/Kilogram

    1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Appearance:White to Yellowish White Crystals St

    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

Please post your buying leads,so that our qualified suppliers will soon contact you!
*Required Fields

Consensus Reports

NCI Carcinogenesis Bioassay (feed); No Evidence: mouse, rat NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-71 ,1978. . Reported in EPA TSCA Inventory.

Specification

The L-Tryptophan, with the CAS registry number 73-22-3,is also known as L(-)-Tryptophan; (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid. It belongs to the product categories of Amino Acids;Amino Acids & Derivatives. This chemical's molecular formula is C11H12N2O2 and molecular weight is 204.23.Its EINECS number is 200-795-6. What's more,Its systematic name is L-Tryptophan. It is a white to off-white crystalline powder which is stable,incompatible with strong acids, strong oxidizing agents.And it can be improvement nutrition and enhancement physique. It is also uses in the biochemistry research, and it is used as sedative in the medicine.

Physical properties about  L-Tryptophan are:
(1)ACD/LogP:  0.704; (2)# of Rule of 5 Violations:  0; (3)ACD/LogD (pH 5.5):  -1.80; (4)ACD/LogD (pH 7.4):  -1.80; (5)ACD/BCF (pH 5.5):  1.00; (6)ACD/BCF (pH 7.4):  1.00; (7)ACD/KOC (pH 5.5):  1.00; (8)ACD/KOC (pH 7.4):  1.00; (9)#H bond acceptors:  4; (10)#H bond donors:  4; (11)#Freely Rotating Bonds:  4; (12)Index of Refraction:  1.698; (13)Molar Refractivity:  57.769 cm3; (14)Molar Volume:  149.875 cm3; (15)Polarizability:  22.901×10-24 cm3 ; (16)Surface Tension:  71.1620025634766 dyne/cm; (17)Density:  1.363 g/cm3; (18)Flash Point:  224.687 °C; (19)Enthalpy of Vaporization:  74.437 kJ/mol; (20)Boiling Point:  447.908 °C at 760 mmHg; (21)Vapour Pressure:  0 mmHg at 25°C.

You could convert the following datas into the molecular structure:
(1)SMILES:c1ccc2c(c1)c(c[nH]2)C[C@@H](C(=O)O)N;
(2)Std. InChI:InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1;
(3)Std. InChIKey:QIVBCDIJIAJPQS-VIFPVBQESA-N.

The toxicity data of  L-Tryptophan are as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - domestic LD50 intraperitoneal 2410mg/kg (2410mg/kg)   Drugs in Japan Vol. -, Pg. 744, 1990.
man TDLo oral 300mg/kg (300mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: ANTIANXIETY
British Medical Journal. Vol. 2, Pg. 701, 1976.
man TDLo oral 857mg/kg/30D- (857mg/kg) BLOOD: EOSINOPHILIA

SKIN AND APPENDAGES (SKIN): OTHER GLANDS: OTHER

MUSCULOSKELETAL: OTHER CHANGES
New England Journal of Medicine. Vol. 322, Pg. 874, 1990.
mouse LD50 intraperitoneal 4800mg/kg (4800mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 11, Pg. 635, 1980.
mouse LDLo oral 15gm/kg (15000mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 11, Pg. 635, 1980.
rat LD50 intraperitoneal 1634mg/kg (1634mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Archives of Biochemistry and Biophysics. Vol. 58, Pg. 253, 1955.
rat LD50 oral > 16gm/kg (16000mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: COMA
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 11, Pg. 635, 1980.
rat LDLo unreported 2553mg/kg (2553mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 23, Pg. 884, 1973.
women TDLo oral 2700mg/kg/13W (2700mg/kg) LUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHI

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

BLOOD: EOSINOPHILIA
Annals of Internal Medicine. Vol. 112, Pg. 301, 1990.
women TDLo oral 3276mg/kg/9W- (3276mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BLOOD: EOSINOPHILIA

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
Annals of Internal Medicine. Vol. 112, Pg. 344, 1990.
women TDLo oral 4800mg/kg/34W (4800mg/kg) PERIPHERAL NERVE AND SENSATION: PARESTHESIS

SKIN AND APPENDAGES (SKIN): OTHER GLANDS: OTHER

BLOOD: EOSINOPHILIA
New England Journal of Medicine. Vol. 322, Pg. 874, 1990.
women TDLo oral 5400mg/kg/134 (5400mg/kg) BLOOD: EOSINOPHILIA

SKIN AND APPENDAGES (SKIN): OTHER GLANDS: OTHER
New England Journal of Medicine. Vol. 322, Pg. 874, 1990.
women TDLo oral 9gm/kg/22W-I (9000mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

LIVER: LIVER FUNCTION TESTS IMPAIRED

BLOOD: EOSINOPHILIA
Annals of Internal Medicine. Vol. 112, Pg. 957, 1990.
women TDLo oral 10960mg/kg/20 (10960mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA

BLOOD: EOSINOPHILIA
British Medical Journal. Vol. 301, Pg. 21, 1990.

    Premium Related Products