| CAS No. | 136845-17-5 |
| Molecular Formula | C14H22O3 |
| Molecular Weight | 238.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(+/-)-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.
| Molecular Formula | C14H22O3 |
| Molecular Weight | 238.32 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |