5-Ethyl-4-(1h-pyrazol-4-ylmethyl)isoxazole-3-carboxylic acid, HCl CAS 1177299-37-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1177299-37-4
Molecular FormulaC10H11N3O3 HCl
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Ethyl-4-(1h-pyrazol-4-ylmethyl)isoxazole-3-carboxylic acid, HCl CAS 1177299-37-4 chemical structure

Description

5-Ethyl-4-(1h-pyrazol-4-ylmethyl)isoxazole-3-carboxylic acid, HCl (CAS 1177299-37-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H11N3O3 HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC10H11N3O3 HCl
Molecular Weight257.67 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Nitrogen Atoms3

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