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L-amino acids
L-Cystine
L(+)-Cysteine
L-Cysteine hydrochloride anhyd
L-Cysteine hydrochloride monoh
L-Tyrosine
L-Leucine
L-Valine
L-PHENYLALANINE
L(+)-Citrulline
L-Serine
L-Histidine
D/DL-amino acids
N-acetyl amino acid
Other amino acid products
 
 

Hotline: 400-0510-518
Tel: +86-510-80245888
Fax: +86-510-80245999
Mobile: +86-13771475147

 
 
 
Product Name: L(-)-Proline
Medicines: H20043212
Properties: white crystal or crystal powder with light sweet taste
Formula:

C5H9NO2

Weight: 115.13
Cas   No: 147-85-3
 
   Product Description:
 

Packing: inner double layer plastic film, outer fiber can; 25kg/drum
Storage: 2 years

【Quality Standard】
 

Item

USP26

Assay

98.5~101.5%

pH

5.9~6.9

Specific rotation [a]D025

-84.3°~-86.0°

Chloride(Cl)

≤0.05%

Ammonium(NH4)

≤0.02%

Sulfate(SO4)

≤0.03%

Iron(Fe)

≤30ppm

Heavy metals(Pb)

≤15ppm

Other amino acids

Conforms

Loss on drying

≤0.40%

Residue on ignition

≤0.40%


Main uses: It is important for the synthesis of human protein and amino acid transfusion. It is major intermediate of captopril and enalapril. In addition, it is widely used in food and pharmaceutical industry.
 
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