H-Pro-Pro-Pro-Pro-OH CAS 21866-90-0

Purity >95%In StockPharmaceutical Standards
CAS No.21866-90-0
Molecular FormulaC20H30N4O5
Molecular Weight406.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-Pro-Pro-Pro-Pro-OH CAS 21866-90-0 chemical structure

Description

H-Pro-Pro-Pro-Pro-OH (CAS 21866-90-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H30N4O5. Molecular weight: 406.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H30N4O5
Molecular Weight406.48 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms4

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