4-Methyl-1-(4-methylphenyl)pentane-1,3-dione CAS 100612-22-4
| CAS No. | 100612-22-4 |
| Molecular Formula | C13H16O2 |
| Molecular Weight | 204.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 4-Methyl-1-(4-methylphenyl)pentane-1,3-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 204.26 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.
4-Methyl-1-(4-methylphenyl)pentane-1,3-dione (CAS 100612-22-4), molecular formula C13H16O2 and molecular weight 204.26 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Methyl-1-(4-methylphenyl)pentane-1,3-dione 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 | C13H16O2 |
| Molecular Weight | 204.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Methyl Standards
- 1-[(4-methylphenyl)methyl]cyclobutane-1-carboxylic acid (CAS 1485944-77-1)
- 1-(2-Methylphenyl)cyclopentanecarboxylic Acid (CAS 854414-95-2)
- 1-(3-Methylphenyl)cyclopentane-1-carboxylic acid (CAS 75024-23-6)
- Ethyl 2-(4-methylphenyl)cyclopropane-1-carboxylate (CAS 97023-67-1)
- 4-(4-methylphenyl)-1,4-diazepan-2-one (CAS 1087784-39-1)
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- (2-methylphenyl)(thiophen-2-yl)methanol (CAS 356553-57-6)
Recommended Standards
- 2-Phenyl-1-(tetrahydro-2H-pyran-2-yl)ethanone (CAS 100612-18-8)
- 3-Cyclopropyl-3-(p-tolyl)propanoic acid (CAS 1017141-58-0)
- 2,2'-(Pentane-3,3-diyl)difuran (CAS 100612-04-2)
- 6-Phenethyltetrahydro-2H-pyran-2-one (CAS 10186-22-8)
- 3-Chloro-6-fluoroquinoxalin-2(1H)-one (CAS 1374748-36-3)
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- 2H-1,2,3,4-tetrazole-5-carboxylic acid (CAS 75773-99-8)
- 2-Bromo-4-formyl-6-methoxyphenyl 4-chlorobenzoate (CAS 432011-25-1)
- 7-Oxo-7-(2,4,5-trimethoxyphenyl)heptanoic acid (CAS 951891-97-7)
- 3-Bromo-8-methoxyquinoline (CAS 103030-27-9)
- 7-ACCA Impurity 6 (CAS CATO-C4X-23136)
- Olaparib Impurity 53 (CAS CATO-C4X-113553)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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