H-His-Trp-OH CAS 23403-90-9

Purity >95%In StockPharmaceutical Standards
CAS No.23403-90-9
Molecular FormulaC17H19N5O3
Molecular Weight341.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-His-Trp-OH CAS 23403-90-9 chemical structure

Description

H-His-Trp-OH (CAS 23403-90-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H19N5O3. Molecular weight: 341.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC17H19N5O3
Molecular Weight341.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms5

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