Pentanoic acid, 3-methyl-, (3aR,4S,7aR)-2,3,3a,4,7,7a-hexahydro-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-2-oxo-4-benzofuranyl ester CAS 1260151-66-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1260151-66-3
Molecular FormulaC21H32O5
Molecular Weight364.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pentanoic acid, 3-methyl-, (3aR,4S,7aR)-2,3,3a,4,7,7a-hexahydro-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-2-oxo-4-benzofuranyl ester CAS 1260151-66-3 chemical structure

Description

CATO manufactures Pentanoic acid, 3-methyl-, (3aR,4S,7aR)-2,3,3a,4,7,7a-hexahydro-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-2-oxo-4-benzofuranyl ester 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.

Pentanoic acid, 3-methyl-, (3aR,4S,7aR)-2,3,3a,4,7,7a-hexahydro-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-2-oxo-4-benzofuranyl ester (CAS 1260151-66-3), molecular formula C21H32O5 and molecular weight 364.48 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C21H32O5, Pentanoic acid, 3-methyl-, (3aR,4S,7aR)-2,3,3a,4,7,7a-hexahydro-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-2-oxo-4-benzofuranyl ester contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 364.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

Physical & Chemical Properties

Molecular FormulaC21H32O5
Molecular Weight364.48 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 methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990

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