Glycyl-L-glutamine monohydrate

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Glycyl-L-glutamine monohydrate is a highly stable dipeptide used as an alternative to free glutamine in cell culture media. Its structure helps prevent degradation during storage, reducing toxic byproducts and extending media shelf life. This crystalline powder has a purity of 99% and a molecular weight of 203.20 g/mol. It is supplied in 25 kg fiber drums and should be stored at –20 °C in a sealed, dark environment with inert atmosphere.

CAS No.: 13115-71-4
Molecular Formula: C₇H₁₃N₃O₄
Purity: 99% min

Appearance White crystal or crystalline powder
Molecular Weight 203.20 g/mol
Density 1.4 ± 0.1 g/cm³
Boiling Point 643.1 ± 55.0 °C at 760 mmHg
Melting Point 194 °C
Flash Point 342.7 ± 31.5 °C
Packaging 25 kg per fibre drum
Customs Code 2924199090
Stocking Term Store in freezer at –20 °C, in sealed, dark container under inert atmosphere

Product Name
1. Glycyl-L-glutamine monohydrate;
2. N₂-Glycyl-L-glutamine
Production capacity 3 tons/month
Applications Cell culture media raw material

Why is Glycyl-L-glutamine preferred over free glutamine for long-term storage?

Unlike free L-glutamine, which degrades rapidly in aqueous solutions and can generate harmful byproducts, Glycyl-L-glutamine offers higher chemical stability. It helps preserve the nutritional integrity of media over time, making it a reliable choice for large-scale or long-term bioprocessing applications.

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