17-Methoxy-17-oxoheptadecanoic acid CAS 72849-42-4
| CAS No. | 72849-42-4 |
| Molecular Formula | C18H34O4 |
| Molecular Weight | 314.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 314.46 g/mol gives 17-Methoxy-17-oxoheptadecanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
17-Methoxy-17-oxoheptadecanoic acid (CAS 72849-42-4), molecular formula C18H34O4 and molecular weight 314.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H34O4, 17-Methoxy-17-oxoheptadecanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 314.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 17-Methoxy-17-oxoheptadecanoic 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 | C18H34O4 |
| Molecular Weight | 314.46 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1977 |
Related Methoxy Standards
- 2-Methoxy Promazine (CAS 61-01-8)
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Recommended Standards
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- 1-Octylpyrene (CAS 71608-00-9)
- 3-(Aminomethyl)-1-methoxy-2-methylhexan-2-ol (CAS 1520266-85-6)
- 2-Chloro-6-(difluoromethyl)-5-fluoronicotinic acid (CAS 1804494-85-6)
- (2,4-Dimethoxyphenyl)(thiophen-3-yl)methanol (CAS 1285144-58-2)
- (1',3'-Dihydrospiro[cyclopropane-1,2'-inden]-2-yl)methanol (CAS 331992-90-6)
- 8-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinolin-6-ol (CAS 2768872-07-5)
- 1,1'-(5-Nitro-1,3-phenylene)diethanone (CAS 87533-54-8)
- 7-Bromo-5-chloro-1H-benzimidazol-2-amine (CAS 1388021-17-7)
- N-heptylformamide (CAS 59734-16-6)
- Benzyl ((2S)-1-(((2S)-1-hydroxy-3-(2-oxopyrrolidin-3-yl)propan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)carbamate (CAS 1333231-43-8)
- Peptide Impurity 28 (CAS 1350456-64-2)
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