9-Oxo-10(E),12(E)-Octadecadienoic Acid CAS 54232-58-5
| CAS No. | 54232-58-5 |
| Molecular Formula | C18H30O3 |
| Molecular Weight | 294.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 9-Oxo-10(E),12(E)-Octadecadienoic Acid is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
9-Oxo-10(E),12(E)-Octadecadienoic Acid (CAS 54232-58-5), molecular formula C18H30O3 and molecular weight 294.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H30O3, 9-Oxo-10(E),12(E)-Octadecadienoic Acid 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 294.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 9-Oxo-10(E),12(E)-Octadecadienoic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H30O3 |
| Molecular Weight | 294.43 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Recommended Standards
- (E)-1,2-bis(1-phenylbutyl)diazene (CAS CATO-C3D-263244)
- Salbutamol Impurity 58 (CAS CATO-C4X-117658)
- 95282-55-6 4-n-Butyl-4'-tert-butylbenzophenone DTXSID70373793 (CAS 95282-55-6)
- Simvastatin Impurity 21 (CAS CATO-C4X-119921)
- 2-Methylanthracene (CAS 613-12-7)
- N-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)-N-(2-ethylphenyl)methanesulfonamide (CAS 799259-73-7)
- (4-Iodo-1-methyl-1H-pyrazol-3-yl)methanol (CAS 1401816-91-8)
- tert-Butyl 2,3-dihydro-1,4-benzoxazine-4-carboxylate (CAS 212180-23-9)
- 2-(1-Ethyl-1h-1,2,4-triazol-5-yl)-3-fluoroaniline (CAS 1250068-19-9)
- (4-Chloro-1-ethyl-1H-pyrazol-5-yl)methanamine (CAS 1002032-40-7)
- Ethyl 2-amino-3-(tetrahydro-2H-pyran-2-yl)propanoate (CAS 321328-63-6)
- N,N-Dimethyl-4-{[(5-oxo-3-phenyl-1,5-dihydro-4H-pyrazol-4-yliden)methyl]amino}benzenesulfonamide (CAS 320415-75-6)
- 4-Iodo-2,3-dihydro-1H-indene (CAS 1285718-21-9)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com