(3aR,4R,7S,7aS)-2-(p-tolyl)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione CAS 72657-45-5

Purity 97%+In StockPharmaceutical Standards
CAS No.72657-45-5
Molecular FormulaC16H15NO2
Molecular Weight253.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3aR,4R,7S,7aS)-2-(p-tolyl)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione CAS 72657-45-5 chemical structure

Description

The occurrence of (3aR,4R,7S,7aS)-2-(p-tolyl)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies (3aR,4R,7S,7aS)-2-(p-tolyl)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (CAS 72657-45-5), a certified reference material (molecular formula C16H15NO2, MW 253.30 g/mol) for analytical method development and quality control.

(3aR,4R,7S,7aS)-2-(p-tolyl)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (C16H15NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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.

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 (3aR,4R,7S,7aS)-2-(p-tolyl)-3a,4,7,7a-Tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione 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 FormulaC16H15NO2
Molecular Weight253.30 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Nitrogen Atoms1

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