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L-tryptophan Essential Amino Acids

Posted at: Offers to Sell and Export | Posted on: Sat 11 Aug, 2012 5:45 am | Product Category: Tryptophan [19]
 
l tryptophan essential amino acids
Products Photos CatalogTryptophan Essential Photos Catalog



L-tryptophan

Molecular formula: C11H12N2O2


Molecular Weight: 204.23

Cas :73-22-3

Appearance: white

crystal or crystalline powder, slight odor, taste bitter.

Content: 98.5% to 101.5%

Melting point: 289 C, slightly soluble in water, insoluble in ethanol.

Specific Rotation: -29.4 ~ -32.8

Chloride: ≤ 0.05%

Sulfate (SO4): ≤ 0.03%

Iron salts (Fe): ≤ 0.003%

Heavy metals (Pb): ≤ 15ppm

Arsenic: ≤ 1.5 ppm

Loss on drying: ≤ 0.3%

Residue on ignition: ≤ 0.1%

Ph: 5.5 ~ 7.0

Storage and transportation (Storeage): store in a cool dry place

Use: L-tryptophan is the human body can not synthesize essential amino acids. The food industry is mainly used for food and nutrition supplements. USP grade L-threonine used in the preparation of compound amino acid transfusion and amino acid preparations

Packaging: 25 kg / cardboard drum



Company Contact:

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Contact Name: Lily
Company Name: Wuhan Yuancheng Gongchuang Technology Co., Ltd.
Email: Email
Tel: 86-027-88310993
Fax: 86-027-88048077
Street Address: 496 Zhongshan Road,
Wuhan, China
Website: http://www.yccreate.com/
Member name: rnz
Country: China-CN China
Member Since: 11 August 2012
Total Leads: 60 rnz Import Export Business Leads
Business focus: Chemicals, Additives
Chat: leave me a chat message
Verify: Safe Import Export Tips
Product Category: Tryptophan [19]
 
 
 

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