(3S,3AR,5S,6aS,7S)-2-oxooctahydro-3,5-methanocyclopenta[b]pyrrole-7-carboxylic acid CAS 1281588-03-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1281588-03-1
Molecular FormulaC9H11NO3
Molecular Weight181.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3S,3AR,5S,6aS,7S)-2-oxooctahydro-3,5-methanocyclopenta[b]pyrrole-7-carboxylic acid CAS 1281588-03-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (3S,3AR,5S,6aS,7S)-2-oxooctahydro-3,5-methanocyclopenta[b]pyrrole-7-carboxylic acid.

(3S,3AR,5S,6aS,7S)-2-oxooctahydro-3,5-methanocyclopenta[b]pyrrole-7-carboxylic acid (CAS 1281588-03-1), molecular formula C9H11NO3 and molecular weight 181.19 g/mol, is a CATO reference standard with documented purity and traceability.

(3S,3AR,5S,6aS,7S)-2-oxooctahydro-3,5-methanocyclopenta[b]pyrrole-7-carboxylic acid (C9H11NO3) 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 (3S,3AR,5S,6aS,7S)-2-oxooctahydro-3,5-methanocyclopenta[b]pyrrole-7-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 FormulaC9H11NO3
Molecular Weight181.19 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.)1990
Nitrogen Atoms1

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