(+/-)-OPC 4 136845-17-5 3-oxo-2(2'[Z]-pentenyl)-cyclopentane-1-butanoic acid CMC_7395 Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]- Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]-(?)- Cyclopentanebutanoic acid, 3-oxo-2-(2Z)-2-pentenyl-, (1R,2R)-rel- (9CI) OPC 4 OPC-4:0 cyclopentanebutanoic acid, 3-oxo-2-[(2Z)-2-pentenyl]-, (1R,2R)- CAS 136845-17-5

Purity 97%+In StockPharmaceutical Standards
CAS No.136845-17-5
Molecular FormulaC14H22O3
Molecular Weight238.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(+/-)-OPC 4
136845-17-5
3-oxo-2(2'[Z]-pentenyl)-cyclopentane-1-butanoic acid
CMC_7395
Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]-
Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]-(?)-
Cyclopentanebutanoic acid, 3-oxo-2-(2Z)-2-pentenyl-, (1R,2R)-rel- (9CI)
OPC 4
OPC-4:0
cyclopentanebutanoic acid, 3-oxo-2-[(2Z)-2-pentenyl]-, (1R,2R)- CAS 136845-17-5 chemical structure

Description

(+/-)-OPC 4 136845-17-5 3-oxo-2(2'[Z]-pentenyl)-cyclopentane-1-butanoic acid CMC_7395 Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]- Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]-(?)- Cyclopentanebutanoic acid, 3-oxo-2-(2Z)-2-pentenyl-, (1R,2R)-rel- (9CI) OPC 4 OPC-4:0 cyclopentanebutanoic acid, 3-oxo-2-[(2Z)-2-pentenyl]-, (1R,2R)- (CAS 136845-17-5), molecular formula C14H22O3 and molecular weight 238.32 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (+/-)-OPC 4 136845-17-5 3-oxo-2(2'[Z]-pentenyl)-cyclopentane-1-butanoic acid CMC_7395 Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]- Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]-(?)- Cyclopentanebutanoic acid, 3-oxo-2-(2Z)-2-pentenyl-, (1R,2R)-rel- (9CI) OPC 4 OPC-4:0 cyclopentanebutanoic acid, 3-oxo-2-[(2Z)-2-pentenyl]-, (1R,2R)- is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 (+/-)-OPC 4 136845-17-5 3-oxo-2(2'[Z]-pentenyl)-cyclopentane-1-butanoic acid CMC_7395 Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]- Cyclopentanebutanoic acid, 3-oxo-2-(2-pentenyl)-, [1alpha,2alpha(Z)]-(?)- Cyclopentanebutanoic acid, 3-oxo-2-(2Z)-2-pentenyl-, (1R,2R)-rel- (9CI) OPC 4 OPC-4:0 cyclopentanebutanoic acid, 3-oxo-2-[(2Z)-2-pentenyl]-, (1R,2R)- 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 FormulaC14H22O3
Molecular Weight238.32 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996

Recommended Standards

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