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

  • Model NO.: amino acid
  • Name: Glycylglycine
  • CAS: 556-50-3
  • Mf: C4h8n2o3
  • Melting Point (°c): 262-264 ºC
  • Assay: 98.5% to 100.5%
  • Lron(Fe): Not Less Than 30ppm
  • Trademark: SWC
  • Transport Package: 25kg/Drum
  • Origin: China
  • CAS No.: 556-50-3
  • Formula: C4h9no3
  • EINECS: 211-171-8
  • Classification: Amino Acid
  • Function: Keeping Health and Promoting Growth
  • Appearance: Crystal
Glycylglycine CAS No. 556-50-3 N-Glycylglycine
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



White to off-white powder



Heavy Metals (Pb)

Not more than 10PPM


98.5% to 100.5%


Not more than0.020%


Not more than 0.02%

Residue on ignition

Not more than 0.15%


Not more than 0.020%

Loss on Drying

Not more than 0.20%


Not less than 30ppm


Not more than 1ppm

Other amino acids

Chromatographically not detectable

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