22-Methoxy-22-oxodocosanoic acid CAS 7511-30-0
| CAS No. | 7511-30-0 |
| Molecular Formula | C23H44O4 |
| Molecular Weight | 384.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
22-Methoxy-22-oxodocosanoic acid (CAS 7511-30-0), molecular formula C23H44O4 and molecular weight 384.59 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 22-Methoxy-22-oxodocosanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 384.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 22-Methoxy-22-oxodocosanoic 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 | C23H44O4 |
| Molecular Weight | 384.59 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.) | 1959 |
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Recommended Standards
- L-759,656 (CAS 174627-56-6)
- Diethyl 2-hexadecylmalonate (CAS 41433-81-2)
- L 759633 (CAS 174627-50-0)
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- Solvent Blue 104 (CAS 116-75-6)
- 6-Bromo-2-butyl-4-chloroquinoline hydrochloride (CAS 1171071-46-7)
- 2-Bromo-6-chloropyridine (CAS 5140-72-7)
- 4-Bromo-5-methyl-2-(trifluoromethyl)aniline (CAS 1800562-11-1)
- 2-([2,2':6',2''-Terpyridin]-4'-yloxy)ethanamine (CAS 101003-70-7)
- 3-Fluoro-α-[(1-methylethoxy)methyl]benzenemethanol (CAS 1461707-88-9)
- 1,2-Dichloro-4-iodo-5-nitrobenzene (CAS 1774898-47-3)
- (1R,2S,4R)-2-Hydroxy-alpha,alpha,4-trimethylcyclohexanemethanol (CAS 92471-23-3)
- Biapenem-13C2,15N3 (CAS 120410-24-4 (unlabeled))
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