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L-Alanine

L-Alanine

Product Details:

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Product Description

Name:L-Alanine
Synonyms:L-2-Aminopropanoic acid;
Molecular Formula:C3H7NO2
Molecular Weight:89.09
CAS Registry Number:56-41-7
EINECS:200-273-8
 
Alanine (abbreviated as Ala or A) is an -amino acid with the chemical formula CH3CH(NH2)COOH. The L-isomer is one of the 20 proteinogenic amino acids, i.e. the building blocks of proteins. Its codons are GCU, GCC, GCA, and GCG. It is classified as a nonpolar amino acid. L-alanine is second only to leucine, accounting for 7.8% of the primary structure in a sample of 1,150 proteins. D-alanine occurs in bacterial cell walls and in some peptide antibiotics.
In medicine,High optical purity of L-Alanine is an important chiral source used in synthesis of many types of drugs. And it is raw material to compose amino acid injection and oral liquid.
 In food industry, l-alanine is added in chemistry seasoning, drinks, organic acid, wine and salted food. As one important additive, l-alanine has the fuction of keeping fresh.
Descriptions:White crystal or crystalline powder with special sweet taste, easily dissolves in water.,sparingly soluble in ethanol,and insoluble in ether.
Specifications:
Product name
 L-Alanine
 
Items
 Standard
 
Assay
 98.5%~101.0%
 
Specific Rotation[]D20
 +14.3~+15.2
 
pH
 5.5~7.0
 
Transmittance
 98.0%
 
Loss on Drying
 0.20%
 
Residue on Ignition
 0.10%
 
Heavy Metals[Pb]
 10ppm
 
Chloride[Cl-]
 0.02%
 
Iron[Fe]
 10ppm
 
Arsenic[As]
 1ppm
 
Sulfate[SO42-]
 0.02%
 
Ammonium Salt[NH4+]
 0.02%
 
Other Amino acids
 Conforms
 

Packing:25kg net weight cardboard drum lined with PE bag, or according to the customer`s demand.
Storage:be stored in cool and shady conditions
Shelf life:2years

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A & Z Group Co.,Ltd
6-5, West City Best Space, No 158 ZiXuan Road, HangZhou, ZHEJIANG,Hangzhou - 310012, Zhejiang, China
Phone :86-571-81634009
Fax :86-571-85126959
Mr. Liang Guo Chen (Manager)
Mobile :+8613306501279
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