Methyl 9,12,15-Octadecatrienoate Standard (mixture of cis- and trans-) CAS 7361-80-0
| CAS No. | 7361-80-0 |
| Molecular Formula | C19H32O2 |
| Molecular Weight | 292.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Methyl 9,12,15-Octadecatrienoate Standard (mixture of cis- and trans-) (CAS 7361-80-0), molecular formula C19H32O2 and molecular weight 292.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H32O2, Methyl 9,12,15-Octadecatrienoate Standard (mixture of cis- and trans-) 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 292.46 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.
Physical & Chemical Properties
| Molecular Formula | C19H32O2 |
| Molecular Weight | 292.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Recommended Standards
- Methyl (9Z,11E)-octadeca-2,9,11-trienoate (CAS 95497-55-5)
- N-(12-(1H-Pyrrol-1-yl)dodecyl)acetamide (CAS 828277-01-6)
- Methyl (9E,11Z,13E)-octadeca-9,11,13-trienoate (CAS 4175-47-7)
- Paricalcitol Impurity 1 (CAS 95716-68-0)
- Pentyl 2-(8-(azepan-1-yl)-3-methyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)acetate (CAS 326018-60-4)
- (5,6,7,8-Tetrahydronaphthalen-1-yl)hydrazine hydrochloride (CAS 54903-88-7)
- Methyl 1-(3-fluorobenzyl)piperidine-4-carboxylate (CAS 383146-94-9)
- (3R,4S)-(3-Boc-amino)-4-fluoropyrrolidine (CAS 1033718-91-0)
- 2-mercapto-N-(2-methoxyphenyl)quinoline-4-carboxamide (CAS 380432-43-9)
- Budesonide Impurity 55 (CAS CATO-C4X-138955)
- (2,4-Difluorobenzyl)(4-fluorophenyl)sulfane (CAS 1443344-84-0)
- 4-(2,5-Dimethylthiophen-3-yl)-4-oxobutanoic acid (CAS 6007-77-8)
- Etoricoxib Impurity 10 (CAS 646459-45-2)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
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