5-Benzyl 3-ethyl 6,7-dihydropyrazolo[1,5-a]pyrazine-3,5(4H)-dicarboxylate CAS 1251020-16-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1251020-16-2
Molecular FormulaC17H19N3O4
Molecular Weight329.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Benzyl 3-ethyl 6,7-dihydropyrazolo[1,5-a]pyrazine-3,5(4H)-dicarboxylate CAS 1251020-16-2 chemical structure

Description

5-Benzyl 3-ethyl 6,7-dihydropyrazolo[1,5-a]pyrazine-3,5(4H)-dicarboxylate (CAS 1251020-16-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H19N3O4. Molecular weight: 329.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC17H19N3O4
Molecular Weight329.35 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms3

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