ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate CAS 91129-95-2

Purity 97%+In StockPharmaceutical Standards
CAS No.91129-95-2
Molecular FormulaC10H11N5O2
Molecular Weight233.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate CAS 91129-95-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 233.23 g/mol gives ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate (CAS 91129-95-2), a certified reference material (molecular formula C10H11N5O2, MW 233.23 g/mol) for analytical method development and quality control.

ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate (C10H11N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC10H11N5O2
Molecular Weight233.23 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Nitrogen Atoms5

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