4-(Ethoxycarbonyl)-1-methyl-1h-pyrazole-3-carboxylic acid CAS 21272-38-8

Purity 97%+In StockPharmaceutical Standards
CAS No.21272-38-8
Molecular FormulaC8H10N2O4
Molecular Weight198.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Ethoxycarbonyl)-1-methyl-1h-pyrazole-3-carboxylic acid CAS 21272-38-8 chemical structure

Description

CATO supplies 4-(Ethoxycarbonyl)-1-methyl-1h-pyrazole-3-carboxylic acid (CAS 21272-38-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H10N2O4. Molecular weight: 198.18 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H10N2O4
Molecular Weight198.18 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms2

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