H-Glu-His-bNA (K-1260.0250) CAS 201990-76-3

Purity 97%+In StockPharmaceutical Standards
CAS No.201990-76-3
Molecular FormulaC21H23N5O4
Molecular Weight409.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-Glu-His-bNA (K-1260.0250) CAS 201990-76-3 chemical structure

Description

H-Glu-His-bNA (K-1260.0250) (CAS 201990-76-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H23N5O4. Molecular weight: 409.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC21H23N5O4
Molecular Weight409.44 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2014
Nitrogen Atoms5

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