1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid CAS 1171592-34-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1171592-34-9
Molecular FormulaC18H23N3O3
Molecular Weight329.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid CAS 1171592-34-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 329.39 g/mol gives 1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid (CAS 1171592-34-9), a certified reference material (molecular formula C18H23N3O3, MW 329.39 g/mol) for analytical method development and quality control.

Structurally, 1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid (C18H23N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 329.39 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid 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 FormulaC18H23N3O3
Molecular Weight329.39 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms3

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