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

73-22-3

Basic Information
CAS No.: 73-22-3
Name: L-Tryptophane
Article Data: 197
Molecular Structure:
Molecular Structure of 73-22-3 (L-Tryptophane)
Formula: C11H12N2O2
Molecular Weight: 204.228
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
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

    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

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 10 Gram

    FOB Price:  USD $ 100.0-100.0

    Zibo Hangyu Biotechnology Development Co., Ltd 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 chemi

    Hangyu Biotech is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and O

  •  Zibo Hangyu Biotechnology Development Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15965530500

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

    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-Tryptophane

  • Casno:

    73-22-3

    High Quality CAS 73-22-3 Bulk L Tryptophan Price L-Tryptophan 99%

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    As the leading manufactory of base chemicals in China market,it has developed organicetc chemical,inorganic chemical,paint chemical and detergent chemical etc..With many years develop and operation experience,facts proof that the equipments,which our

    Shanghai Wibson Biotechnology Co., Ltd. is a high-tech enterprise that mainly develops and sells pharmaceutical and chemical raw materials and other related products. The company h

  •  Shanghai Wibson Biotechnology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8616712853577-571-639871

    Address:No. 22, Lane 121, Yucai Road, Songyin, Tinglin Town, Jinshan District, Shanghai (Songyin Economic Community)

       Inquiry Now

  • High purity 99% Feed Grade L-Tryptophan powder

  • Casno:

    73-22-3

    High purity 99% Feed Grade L-Tryptophan powder

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 4.2-8.5

    Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

    Sinoway Industrial co., ltd. was established in 1987 in Xiamen, China, and now has been a leading group specialized in research, development, custom manufacturing and trading of ph

  •  Sinoway Industrial Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-592-583819

    Address:16/F,Huicheng Comm,Complex,No839 XiaHe Rd, Xiamen,China

       Inquiry Now

  • Pure L-Tryptophan Amino Acid Powder Tryptophan CAS 73-22-3

  • Casno:

    73-22-3

    Pure L-Tryptophan Amino Acid Powder Tryptophan CAS 73-22-3

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

    Shanxi Zorui Biotechnology Co. Ltd. Is a professional Manufacturer of chemicals and ingredients in China, mainly involves in production and exportation of EDTA series, activated ca

  •  Shanxi Zorui Biotechnology Co.Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-13546018581

    Address:Huiquan Square F14, No.1450 SH Caohejing Hi-Tech Park

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 200 Kilogram

    FOB Price:  USD $ 0.0-0.0

    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

  • Pharma Grade L-Tryptophan

  • Casno:

    73-22-3

    Pharma Grade L-Tryptophan

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    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

    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

    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

    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

    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

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 1 Gram

    FOB Price:  USD $ 12.0-12.0

    Product Description Product Name L-Tryptophan CAS No. 73-22-3 Appearance White to yellowish crystalline powder Assay ≥99% Capacity 500mt/year Min.packing 100gram

    Jinan Finer Chemical Co., Ltd is professional to manufacture and R&D chemical intermediates, pharmaceutical intermediates and fine chemicals. Company locates in Jinan city new mate

  •  Jinan Finer Chemical Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-531-88989536

    Address:New Material Industry Park, Jinan Ciyt, China

       Inquiry Now

  • L-Tryptophan CAS NO.73-22-3

  • Casno:

    73-22-3

    MSDS/COA Download

    L-Tryptophan CAS NO.73-22-3

    Min.Order: 100 Gram

    FOB Price:  USD $ 2.0-2.0

    Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

    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

  • 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

    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:86-27-59207852

    Address:Add: Room 2015, No.2 Building, Kaixin Mansion No.107 Jinqiao Avenue, Wuhan, China

       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

    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

  • Good supply L-Tryptophan USP32 or FCC

  • Casno:

    73-22-3

    Good supply L-Tryptophan USP32 or FCC

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0

    L-Tryptophan[CAS:73-22-3] USP32 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

    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 501-502, Tower E, Yuanjian Building, Yuanyang International Center, Hangzhou-310011, China

       Inquiry Now

  • Factory Supply (s)-2-amino-3-(3-indolyl)propionic acid

  • Casno:

    73-22-3

    Factory Supply (s)-2-amino-3-(3-indolyl)propionic acid

    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

  • High Quality Food Grade L-Tryptophan 73-22-3 HACCP Manufacturer

  • Casno:

    73-22-3

    High Quality Food Grade L-Tryptophan 73-22-3 HACCP Manufacturer

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.1-0.1

    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

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0

    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: 10 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

    Chengdu Lemeitian Pharmaceutical Technology Co., Ltd. is a science and technology service enterprise specializing in the basic research of traditional Chinese medicine (botanical m

  •  Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

    China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+8617313084125

    Address:No.128, West Section of Haike Road,Wenjiang District

       Inquiry Now

  • L-tryptophan

  • Casno:

    73-22-3

    L-tryptophan

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0

    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-Tryptophane

  • Casno:

    73-22-3

    L-Tryptophane

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

    Colorcom Ltd. is the solely invested company of Colorcom Group. Colorcom Group is a revolutionary global company specializing in international business, with facilities and operati

  •  COLORCOM LTD.

    China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-571-89007001

    Address:ROOM 707, BUILDING 19, HUAXIA CENTER, CANGQIAN SUBDISTRICT, YUHANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE, CHINA.

       Inquiry Now

  • L-Tryptophan CAS 73-22-3 L(-)-Tryptophan  Trp  CAS no 73-22-3  (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid

  • Casno:

    73-22-3

    L-Tryptophan CAS 73-22-3 L(-)-Tryptophan Trp CAS no 73-22-3 (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid

    Min.Order: 5 Kiloliter

    FOB Price:  USD $ 3.5-5.0

    L-Tryptophan CAS 73-22-3 L(-)-Tryptophan Trp CAS no 73-22-3 (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid L-Tryptophan Manufacturer High quality Best price In stock factory CAS 73-22-3 L-Tryptophan COA TDS price MSDS highly quality and imme

    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-Tryptophan/cas:73-22-3/Raw material spot

  • Casno:

    73-22-3

    L-Tryptophan/cas:73-22-3/Raw material spot

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 1.0-2.0

    Name:L-Tryptophan CAS NO:73-22-3 Grade:Medical scientific research and export Molecular formula:C11H12N2O2 Molecular weight:204.2252 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data

    Hubei DiBo chemical co., LTD Hubei DiBo Chemical Co., Ltd. was founded in 2009, is located in Hubei Province on both sides of the Yangtze River, one of the ancient cities of Chines

  •  Hubei DiBo chemical co., LTD

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86 15871366807

    Address:No. 782 of wuchang district of wuhan city, hubei province

       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

    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

    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

  • L-Tryptophan  cas 73-22-3	C11H12N2O2

  • Casno:

    73-22-3

    L-Tryptophan cas 73-22-3 C11H12N2O2

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-10.0

    Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

    Our company specializes in processing and selling chemical raw materials, chemical th Asia, Europe, America, Africa and other more than 20 countries and regions. ? Companies adheri

  •  Hebei Nengqian Chemical Import and Export Co., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 15332961819

    Address:hebei

       Inquiry Now

  • Hot CAS 73-22-3 with competitive price

  • Casno:

    73-22-3

    Hot CAS 73-22-3 with competitive price

    Min.Order: 10 Gram

    FOB Price:  USD $ 146.0-176.0

    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-TryptophaneCAS73-22-3

  • Casno:

    73-22-3

    MSDS/COA Download

    L-TryptophaneCAS73-22-3

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 30.0-40.0

    1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

    Hebei Sankai Chemical Technology Co., Ltd. is a new chemical enterprise integrating the research, manufacturing and supply of chemicals. Located in the beautiful "cattle city" Xing

  •  Hebei Sankai Chemical Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 15932099601

    Address:hebei

       Inquiry Now

  • cas 73-22-3  99% l tryptophan powder

  • Casno:

    73-22-3

    cas 73-22-3 99% l tryptophan powder

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    MOQ: 1kg Form: Powder Colour: White Test: HPLC Function: body building Grade: Pharm Appearance:white Storage:room Package:drum Application:anti antiviral Port:Shan

    Wuhan Vanz Pharm Inc. is a manufacturer&trading company.

  •  Hubei Vanz Pharm Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-27-84492310

    Address:FANHU INDUSTRY PARK

       Inquiry Now

  • L-Tryptophan

  • Casno:

    73-22-3

    L-Tryptophan

    Min.Order: 5 Metric Ton

    FOB Price:  USD $ 1.0-2.0

    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

  • 99% L-Tryptophan cas 73-22-3

  • Casno:

    73-22-3

    99% L-Tryptophan cas 73-22-3

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Appearance:White to off-white crystalline powder Storage:R.T Package:25kg/drum Application:Amino acid Transportation:Express/Sea/Air Port:Any port in China

    Founded in 2005, Sartort, located in Hangzhou, is a leading company engaging in chemistry, pharmaceutical and advanced materials. At present, Sartort has such controlled subsidi

  •  Hangzhou Sartort Biopharma Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-87039693

    Address:No. 57, Tech Park Road, Hangzhou, Zhejiang, China

       Inquiry Now

  • L-tryptophan   manufacturer/supplier

  • Casno:

    73-22-3

    L-tryptophan manufacturer/supplier

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO

    Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd (JL Pharm) is established in 2012 at the beautiful West Lake – Hangzhou city, China. The company's main business includes R&D, Produ

  •  Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-571-86982636

    Address:Rm A606, Fuyi Center, jianqiao street, Jianggan Area

       Inquiry Now

  • Supply Hot Sale Tryptophan Powder Best Price L-tryptophan L Tryptophan Feed Grade Fine Powder

  • Casno:

    73-22-3

    Supply Hot Sale Tryptophan Powder Best Price L-tryptophan L Tryptophan Feed Grade Fine Powder

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 20.0-40.0

    Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

    Hubei Hanways Pharmchem Co.,Limited is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. Now we

  •  HANWAYS CHEMPHARM CO.,LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-18502787239(whatsapp)

    Address:18-1-802, Green Garden, Jianghan District, Wuhan 430023, China

       Inquiry Now

  • L-Tryptophan 73-22-3

  • Casno:

    73-22-3

    L-Tryptophan 73-22-3

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    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

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 73-22-3

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