Chemical-Suppliers
The independent directory of chemicals and chemical suppliers and producers.
BuyersGuideChem
BGC » Chemicals A-Z » L-Tryptophan
pr

L-Tryptophan

BGC Id:650866173730
CAS No:73-22-3
Synonyms:eh121 ; eltrip ; trp ; lyphan ; h-trp-oh ; l-trp ; l-ttp ; tryptan ; trofan ; eh 121
Molecular Formula:C11H12N2O2
Molecular Weight:204.22518
EINECS:200-795-6
Structural Formula
Les fournisseurs 31 sont fiables et fiables pour L-Tryptophan. Ils viennent des pays 5 à travers le monde. Ces fournisseurs appartiennent à 31 différents types d'affaires comme 'Bulk chemical producer' et 'Bulk and laboratory supplier'
Veuillez contacter tous les distributeurs / fabricants ci-dessous pour L-Tryptophan et demander des prix, des normes d'emballage et des possibilités de transport. Nos distributeurs enregistrés vous aideront à obtenir toutes les informations nécessaires et les spécifications du produit.


supplier ww
Fournisseurs enregistrés de L-Tryptophan dans le monde entier

The most competitive supplier in 2025

The following 31 notable providers have been checked and can be recommended.
Chemical-Suppliers
Wuhan PharmChem LTD.
EINECS: 200-795-6 Molecular formula: C11H12N2O2
Chemical-Suppliers
Simagchem
Appearance & Physical State White crystals or powder
Melting Point 289-290 °C (dec.)(lit.)
Water Solubility 11.4 g/L
Chemical-Suppliers
Sancai Industry
Assay More Than 98.0%
Specific rotation [α ]D20° +14.5°~+16.0°
PH 5.5~6.5
State of solution(Transmittance) More Than 98.0%;
>>more

The last intensive check and update was carried out on 2025/09/30.

Identify

Synonyms:
eh121 ; eltrip ; trp ; lyphan ; h-trp-oh ; l-trp ; l-ttp ; tryptan ; trofan ; eh 121
CAS:
73-22-3
EINECS:
200-795-6
Molecular Formula:
C11H12N2O2
MDL:
MFCD00064340
SMILES:
C1=CC=C2C(=C1)C=CC=C2NC(=O)CCCl

Properties

Molecular Weight:
204.22518 g·mol−1
Density:
1.34
Melting point:
289-290 °C (dec.)(lit.)
Solubility:
20% NH3: 0.1 g/mL at 20 °C, clear, colorless
download Download Molfile

Suppliers

Beckmann-Kenko GmbH

Type de compagnie: Internat. trading company
Our company BECKMANN-KENKO GmbH is a joint venture between Beckmann Chemikalien KG in Germany founded in 1977 and Kenko Corporation in Japan founded in 1965. We are a young and ambitious import/export company. Acting independently and on behalf of a selected number of internationally renowned principals, we resource and market speciality chemicals. En outre 4,4'-Oxydianiline est fourni par nous. Located in Bassum, Germany we also have our own office in Shanghai, China and warehouse facilities of 3000 square meters within t ...
pays: Germany   phone: +49 4241 9308-0   fax: +49 4241 9308-30

Newstar Chem Enterprise Ltd.

Type de compagnie: Leading producer
pays: P.R.China
phone: +86-572-2722882
fax: +86-574-2722892
Newstar Chem Enterprise Ltd. is a technology based company located in Huzhou. En outre Folic acid est fourni par nous. We have our own factories in Zhejiang Province, Jiangsu province and Shandong province, mainly producing pharmaceutical/veterinary raw material, Food/feed additives, herbal extracts, intermediates and other fine chemicals. Through decades years development, we also established a good long term business relationship with thousands of manufacturers in China and becomes sales agent for them. Most of th ...

Purestar Chem Enterprise Co., Ltd.

Catechin sera également fourni par nous. Purestar Chem Enterprise Co., Ltd. (also known as Huzhou Purestar Biochem Co.,Ltd),is located in Huzhou,150km from Shanghai,we have our own factory in Zhejiang,which covers an area of 3,5000 m2,with complete R&D,manufacture,sales,QC,QA,warehouse departments.And equipped with complete extraction, fermentation, purification etc.facilities, and HPLC, UV, GC, spectrophotometer and other quality control instrument. Meanwhille,as we continue to grow and expand since 2005,we also e ...
Type de compagnie: Supplier
pays: P.R.China
phone: +86-572-2157374
fax: +86-572-2146389

Changzhou Union Chemicals Co.,Ltd.

Type de compagnie: International trading company
Changzhou Union Chemicals Co.,Ltd. is a comprehensive company which is specialized in marketing and manufacturing of new moleculars, advanced intermediates & other fine chemicals - Pharmaceutical intermediates ; Amino acids & derivatives; Chiral products; ect .... Changzhou Union Chemicals Co.,Ltd. offre également 3,5-Difluoromandelic acid. It involves one subsidiary company and several joint ventures in china. Union Chem, has professional & innovative teams to provide high quality products and services to our customers worldwide, we strict to "Qual ...
pays: P.R.China   phone: +86 519 8680 2352   fax: +86 519 8639 6223

Zyntex Ltd

Type de compagnie: Bulk chemical supplier
pays: Türkiye
As Zyntex, we have been providing reliable solutions at global standards in the pharmaceutical raw materials and specialty chemicals sector since our establishment. The mission of contributing to human health and supporting technological progress is at the center of our activities. Our wide range of products ranges from pharmaceutical active ingredients to food supplements, from feed additives to innovative chemical products. Our Quality and Trust-Oriented Approach Zyntex ...

Wuhan PharmChem Co., LTD.

Wuhan PharmChem CO., LTD. Nous fournissons 2,6-di-tert-Butyl-4-methylphenol ainsi. has been a premier chemical supplier distributing high-quality chemicals to businesses in various industries for the whole world. At Wuhan PharmChem, we are committed to excellence.From manufacturing to packaging and delivery, we provide quality, reliability and the highest degree of customer service.Our scope of service is organized/structured around the unique needs of each client.Our mission is establish long-term relationships with our clients b ...
Type de compagnie: Import & export company
pays: P.R.China
phone: +86 27 85835203
fax: +86 27 85835203

Xi'an Taicheng Chem Co., Ltd

Type de compagnie: Producer
Xi'an Taicheng Chemco, Ltd is a international company specialized in R&D, Production and Sales in Pharmacetical raw material, nutritional, cosmetic and biochemical products. Founded in 2006, with rapidly development, now we have one herb extracts plant, one chemical plant (synthetci products) and a lab.
pays: P.R.China   phone: +86-29-85439295   fax: +86-29-85439295

Simagchem Corporation

Type de compagnie: Bulk chemical producer
pays: P.R.China
phone: +86 592 2680 277
fax: +86 592 2680 237
Your partner in China for chemicals business. Nous fournissons notre chimique (+/-)-3-Hydroxy-gamma-butyrolactone du produit. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.

FUDAW INDUSTRY LTD

FUDAW is a leading manufacturer of biological chemicals.Established in 2000,We currently produce more than 300 products,which are widely used in chemical industry,R&D,agriculture, animal nutrition, human health care, sports fitness and beauty products.We have more than 500 customers around the world. Lincomycin premix sera également fourni par nous. In order to better serve our customers, we have branches and warehouses in the world's major economic centers and ports. We focus on innovation and develop more than 20 products ...
pays: P.R.China
phone: +86 15601609726

Unilong Industry Co.,Ltd

Type de compagnie: Bulk chemical producer
pays: P.R.China   phone: +86-15668417750   fax: +86-531-55690079

Sancai Industry Co.,Ltd.

Type de compagnie: Leading producer
pays: P.R.China
phone: +86-531-88913079
fax: +86-531-88913079
Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. In order to be competitive on the market. Nous sommes vendeur de 3-Mercaptopropionic acid. We have established the global marketing network, independent research center, testing center, and key ...

Shandong Minglang Chemical Co., Ltd

Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. tert-Butyl-(3S)-amino-2,3,4,5-tetrahydro-1H-[1]benazepin-2-one-1-acetate sera également fourni par nous. In recent years,t ...
Type de compagnie: Producer
pays: P.R.China
phone: +86-13220566916
fax: +86 531 58990167

Shandong Lanhai Industry Co.,Ltd.

Type de compagnie: Producer
Shandong Lanhai Industry Co., Ltd established in 2015. The headquartered located in the beautiful Spring city Jinan. The company's factory is located in Coal Chemical Industrial Park, Juye County, Heze City Shandong province.Lanhai Industry is a high-tech enterprise in Shandong Province. The company integrates science, industry and trade, specializing in the research, development, production and operation of fluorosilicone products, OLED intermediates and agricultural fertili ...
pays: P.R.China   phone: +86-15953182965  

H&Z Industry Co.,Ltd

pays: P.R.China
phone: +86 13583185792
fax: +86 531 88905468
H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. Nous sommes fournisseur de 4,9-Dibromo-2,7-bis(2-octyldodecyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners.

Hangzhou Keying Chem Co., Ltd.

Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, chemical and biological service. Nous sommes vendeur de Ethyl 4-(1-hydroxy-1-methylethyl)-2-propylimidazole-5-carboxylate. After years of development, our company has accumulated abundant products resources in local China and international market which increasingly satisfy development requirements of customers. The p ...
pays: P.R.China
phone: +86-571-85378921
fax: +86-571-85378913

Xingrui Industry Co., Limited

Type de compagnie: Leading producer
Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. Nous sommes vendeur de Triphenylmethyl chloride. The company is ranked among the outstanding producers in the fine chemical industry. Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemi ...
pays: P.R.China   phone: +86-531-88980365   fax: +86-531-88980365

Lori Industry Co., Ltd

Type de compagnie: Bulk chemical producer
pays: P.R.China
phone: +86-13011713125
fax: +86-13011713125
Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals . Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. Nous fournissons notre chimique 3,3'-Diaminobenzidine du produit. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. Nous sommes vendeur de Flupentixol dihydrochloride. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
Type de compagnie: Producer
pays: P.R.China
phone: +86 571 88026825
fax: +86 571 88282557

Zehao Industry Co., Ltd.

The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. 3-Bromo-2-hydroxy-5-methylpyridine est également desservie par Zehao Industry Co., Ltd.. Our capabilities are comprised of our manufacturi ...
pays: P.R.China   phone: +86-531-88909322   fax: +86-531-88909322

Hangzhou Zhongqi Chem Co., Ltd

Type de compagnie: Leading producer
pays: P.R.China
phone: +86-571-86976032
fax: +86-571-86972162
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. En outre 2-Benzylacrylic acid est fourni par nous. Our advantage : 1.We do not simply provide chemicals , we provide chemical solutions and expertise; 2.We have trained, highly effective team to solve the problem at the first time; 3.Our QMS (quality management system) ensures the product quality strictly; 4.Strong research and deve ...

Finetech Industry Limited

Finetech Industry Limited is a company in England,which specializing in developing, manufacturing and marketing fine organic compounds and intermediates for the pharmaceutical industry. Most of our products were exported to the North America, Europe and Oceania. Nous vendons Capsicum oleoresin ainsi. Our factory is in China,we supply Fluorochemicals, Pyrimidines, Pyridines, Amines, Nitriles, Carboxylic Acids or Ester, Phenols or Alcohols, Aldehydes, Piperidines, Piperazines, Pyrazines, Boric Acids, Amino Acids, ...
Type de compagnie: Producer
pays: P.R.China
phone: +86-27-8746 5837
fax: +86-27-8777 2287

Nantong Xindao Biotech Ltd

Type de compagnie: Leading producer
XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. Nantong Xindao Biotech Ltd offre également 3,5-Dibenzyloxyacetophenone. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...
pays: P.R.China   phone: +86 19033786557  

Capot Chemical Co., Ltd.

Type de compagnie: Leading producer
pays: P.R.China
phone: +86-571-85586718
fax: +86-571-85864795
Welcome to Capotchem • Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. Cytidine-5'-monophosphoric acid sera également fourni par nous. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...

Hangzhou Lingrui Chemical Co., Ltd.

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. Nous fournissons notre chimique 4-Fluorobenzenesulfinic acid sodium salt du produit. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Lingrui’s credo is committed to your reliable business partne ...
Type de compagnie: Producer
pays: P.R.China
phone: +86-571-88092529
fax: +86-571-87334908

Carbone Scientific Co., Ltd.

Type de compagnie: Supplier
Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. 4,6-Dichloro-5-fluoropyrimidine est également desservie par Carbone Scientific Co., Ltd.. Our online catalogue has already listed over 50 ...
pays: U.K.   phone: +44 (0)203 769 4441 ext 1   fax: +44 (0)203 769 4441 ext 2

AK Scientific, Inc.

Type de compagnie: Supplier
pays: USA
phone: +1 (510) 429-8835
fax: +1 (510) 429-8836
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Nous sommes vendeur de 4-Iodo-3-methylaniline. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...

Iris Biotech GmbH

IRIS Biotech is specialized in reagents for Peptide Synthesis, PEGylation, Life Science Research and Biocatalysis. Nous sommes fournisseur de Boc-L-Phe(3-oph)-oh. We have specific know-how and production capabilities to manufacture and supply products from the following areas from Grams to Multi-Ton Lots: Starting Materials for Peptide Synthesis, Peptidomimetic and Medicinal Chemistry Protected Amino Acids, Coupling Reagents, Linkers and Resins, Natural and Unusual Amino Acids and Building Blocks used in Peptide Synthe ...
Type de compagnie: Supplier
pays: Germany
phone: +49-(0)9231-97121-0
fax: +49-(0)9231-97121-99

Skyrun Industrial Co., Ltd.

Type de compagnie: Leading producer
Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. Nous sommes vendeur de 2-Chloro-2-hydroxyiminoacetic acid ethyl ester. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
pays: P.R.China   phone: +86-576-84015261   fax: +86-576-84015261

Leap Chem Co., Ltd

Type de compagnie: Bulk and laboratory supplier
pays: P.R.China
phone: +852-30606658
LEAPChem, a specialized fine chemicals supplier for research, development and production. Methyl ethanesulfonate sera également fourni par nous. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

Haihang Industry Co., Ltd.

Haihang Industry Co., Ltd.,is a leading producer and supplier of chemicals industry in china. By integrating people, technology and potential, we endeavor to make contribution to the betterment of human society. Nous vendons Benzyl acetoacetic amide ainsi. We develop, produce and distribute high quality pharmaceutical chemicals, special chemicals and other fine chemicals.
pays: P.R.China
phone: +86 13386404752
fax: +86-531-85821093

BuGuCh & Partners

Type de compagnie: Producer
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...
pays: Germany  

Safety Information

Hazard Classes:
Risk Codes:
33-40-62-41-37/38-36/37/38-22 (R)
Safety Codes:
24/25-36/37/39-36-26 (S)
WGK Germany:
2
RTECS:
YN6130000
Storage temperature:
Store at RT.

What other providers are available for CAS 73-22-3?

In addition to the providers presented here for L-Tryptophan with the CAS number 73-22-3, there are other 63 providers with slightly different product names available for this CAS number.

BLD Pharmatech Ltd +13 additional providers that we know from the past
Iris Biotech GmbH
+1 additional providers that we know from the past
Leap Chem Co., Ltd +7 additional providers that we know from the past
Kingreat Chemistry Company Limited | Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +20 additional providers that we know from the past
+2 additional providers that we know from the past
Xiamen Equation Chemical Co.,Ltd +1 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
+2 additional providers that we know from the past
+4 additional providers that we know from the past
+2 additional providers that we know from the past




Chemical-Suppliers
© Copyright 1996 to 2025 by Netvertise GmbH. All rights reserved. Reproduction of any materials from the site is strictly forbidden without permission.