Octadeca-8,11-dienoic acid CAS 2197-52-6
| CAS No. | 2197-52-6 |
| Molecular Formula | C18H32O2 |
| Molecular Weight | 280.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Octadeca-8,11-dienoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Octadeca-8,11-dienoic acid (CAS 2197-52-6) is a high-purity analytical reference standard with the molecular formula C18H32O2 and a molecular weight of 280.45 g/mol.
Octadeca-8,11-dienoic acid (C18H32O2) contains a carboxylic acid 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. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 Octadeca-8,11-dienoic 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 Formula | C18H32O2 |
| Molecular Weight | 280.45 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Related Octadeca Standards
- Octadeca-10,12-dienoic acid (CAS 22880-03-1)
- Octadeca-9,12-dienamide (CAS 3072-13-7)
- Octadeca-5,7-diynoic acid (CAS 136667-54-4)
- Octadeca-9,11,13,15-tetraenoic acid (CAS 18427-44-6)
- Octadeca-9,17-dien-12,14-diyne-1,11,16-triol (CAS 211238-60-7)
- Octadeca-7,11-dienedihydrazide (CAS 19300-34-6)
- (13Z)-Octadeca-3,13-dien-1-yl acetate (CAS 405218-61-3)
- Octadeca-3,13-dien-1-yl acetate (CAS 61654-54-4)
Recommended Standards
- Sebaleic Acid (CAS 22733-46-6)
- 9-Octadecynoic acid (CAS 506-24-1)
- trans-4-Pentyl-(1,1-bicyclohexyl)-4-carboxylic acid (CAS 65355-33-1)
- O-Butyl-N,N’-dicycloÂhexyl-isourea (CAS 6738-16-5)
- 7,8-Dihydroxy-2-(2-hydroxyphenyl)-4H-chromen-4-one (CAS 263407-44-9)
- 3-(2-(2-Cyclohexylethyl)-1H-imidazol-4-yl)aniline (CAS 651354-29-9)
- Ethyl 5-(4-fluorophenyl)-1-methyl-4-oxopiperidine-3-carboxylate (CAS 1263870-60-5)
- Methylprednisolone Impurity 79 (CAS CATO-C4X-191979)
- Sodium carbosulfonate Impurity 31 (CAS CATO-C4X-229131)
- Tos-Lys(Boc)-OH (CAS 16948-09-7)
- 1-Chloro-1,2-Difluoroethane (CAS 338-64-7)
- 3-Fluoro-4-hydroxy-5-nitrobenzonitrile (CAS 1208917-60-5)
- N-(2-(5-Cyclopropyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)thiophene-2-sulfonamide (CAS 1797616-44-4)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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