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Home > Products > Pharmaceutical And Intermediates > Glycylglycine CAS No. 556-50-3 N-Glycylglycine

Glycylglycine CAS No. 556-50-3 N-Glycylglycine

Basic Info

Model No.:  amino acid

Product Description

Model NO.: amino acid Function: Keeping Health and Promoting Growth Name: Glycylglycine Einecs: 209-127-8 Melting Point (°c): 262-264 ºC Lron(Fe): Not Less Than 30ppm Origin: China Classification: Amino Acid Appearance: Crystal CAS: 556-50-3 Mf: C4h8n2o3 Assay: 98.5% to 100.5% Trademark: SWC     Glycylglycine is the dipeptide of glycine, making it the simplest peptide.The compound was first synthesized by Emil Fischer and Ernest Fourneau in 1901 by boiling 2,5-diketopiperazine (glycine anhydride) with hydrochloric acid. Shaking with alkali and other synthesis methods have been reported.
Because of its low toxicity, it is useful as a buffer for biological systems with effective ranges between pH 2.5-3.8 and 7.5-8.9, however, it is only moderately stable for storage once dissolved.It is used in the synthesis of more complex peptides.
Glycylglycine has also been reported to be helpful in solubilizing recombinant proteins in E. coli. Using different concentrations of the glycylglycine improvement in protein solubility after cell lysis has been observed .

English name: Glycylglycine
CAS: 556-50-3
Synonym: Glycyl-glycine; N-Glycylglycine; Diglycine; Gly-Gly   


Test Items

Standard

Appearance

White to off-white powder

HPLC

≥99%

Heavy Metals (Pb)

Not more than 10PPM

Assay

98.5% to 100.5%

Chioride(CI)

Not more than0.020%

Ammonium(NH4)

Not more than 0.02%

Residue on ignition

Not more than 0.15%

Sulfate(SO4)

Not more than 0.020%

Loss on Drying

Not more than 0.20%

Lron(Fe)

Not less than 30ppm

Arsenic(As2O3)

Not more than 1ppm

Other amino acids

Chromatographically not detectable

 

    

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