1-Tert-butyl-5-cyclopropyl-1h-pyrazole-3-carboxylic acid CAS 1171398-63-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1171398-63-2
Molecular FormulaC11H16N2O2
Molecular Weight208.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Tert-butyl-5-cyclopropyl-1h-pyrazole-3-carboxylic acid CAS 1171398-63-2 chemical structure

Description

1-Tert-butyl-5-cyclopropyl-1h-pyrazole-3-carboxylic acid (CAS 1171398-63-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H16N2O2. Molecular weight: 208.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H16N2O2
Molecular Weight208.26 g/mol
AppearanceOff-white to pale 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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms2

Recommended Standards

Why CATO?