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crystalline powder

For further processing only.

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Glycylglycine material number and pack size:
Material Number Pack Size
10002887103 custom fill
Will be supplied as "Glycylglycine". Unit of measure is "kg".
Zwitterionic buffer for diagnostic tests or as a substrate for γ-glutamyltransferase tests.
Use Glycylglycine as a buffer in diagnostic reagents, or as a substrate in γ-glutamyltransferase tests where γ-glutamyltransferase transfers the gamma-glutamyl group of L-γ-glutamyl-3-carboxy-4-nitroanilide (Glupa-C) to glyclglycine.
Formula: C4H8N2O3
Molecular weight: 132.1 D
Solubility: Easily soluble in water
Suggested pH range: 7.5-8.9
Appearance: White crystalline powder
Solubility: Easily soluble in water
pH value (c=0.35%, w/v): 5.5-6.5
Glycylglycine (HClO4 titration, based on anhydrous substance): 99.0-100.5%
TLC: Corresponds to reference
A405 (c=10%; w/v, against water): ≤0.01%
Heavy metals (as Pb): ≤5 ppm
Water (K. Fischer): ≤0.5%
Fe: ≤10 ppm
Sulfate ash: ≤0.1%
Glycine (TLC): ≤0.2%
Contaminating amino acids (TLC): Not detectable
Microbiological test: Corresponds to specification
IR Spectrum: Corresponds to reference
Stability: At +15 to +40°C within specification range for 36 months. Store dry in tightly sealed containers.