27835-00-3 Ethyl (4-methylbenzoyl)acetate Ethyl 3-(4-methylphenyl)-3-oxopropanoate Ethyl 3-oxo-3-(4-tolyl)propionate NSC 158544 CAS 27835-00-3
| CAS No. | 27835-00-3 |
| Molecular Formula | C12H20O3 |
| Molecular Weight | 212.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 27835-00-3 Ethyl (4-methylbenzoyl)acetate Ethyl 3-(4-methylphenyl)-3-oxopropanoate Ethyl 3-oxo-3-(4-tolyl)propionate NSC 158544 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.
27835-00-3 Ethyl (4-methylbenzoyl)acetate Ethyl 3-(4-methylphenyl)-3-oxopropanoate Ethyl 3-oxo-3-(4-tolyl)propionate NSC 158544 (CAS 27835-00-3), molecular formula C12H20O3 and molecular weight 212.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 27835-00-3 Ethyl (4-methylbenzoyl)acetate Ethyl 3-(4-methylphenyl)-3-oxopropanoate Ethyl 3-oxo-3-(4-tolyl)propionate NSC 158544 (C12H20O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 212.29 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 27835-00-3 Ethyl (4-methylbenzoyl)acetate Ethyl 3-(4-methylphenyl)-3-oxopropanoate Ethyl 3-oxo-3-(4-tolyl)propionate NSC 158544 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 | C12H20O3 |
| Molecular Weight | 212.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
Related Ethyl Standards
- 2-(4-Methylbenzoyl)-6-methylpyridine (CAS 1164200-12-7)
- 2-(3-Methylbenzoyl)-6-methylpyridine (CAS 1187163-76-3)
- 2-(4-Methylbenzoyl)-3-methylpyridine (CAS 1187164-16-4)
- 1187165-12-3 2-(2-Methylbenzoyl)-4-methylpyridine MFCD13152704 (CAS 1187165-12-3)
- 2-(4-Methylbenzoyl)-5-methylpyridine (CAS 1187166-34-2)
- 4-Methyl-2-(3-methylbenzoyl)pyridine (CAS 1187166-58-0)
- 5-(3-Methylbenzoyl)-2-methylpyridine (CAS 1187166-80-8)
- 4-(4-Methylbenzoyl)-2-methylpyridine (CAS 1187167-09-4)
Recommended Standards
- Zeolite ZSM-5 (CAS 308081-08-5)
- 3-Oxo-3-(m-tolyl)propionic acid ethyl ester 33166-79-9 Ethyl (3-methylbenzoyl)acetate Ethyl 2-(3-methylbenzoyl)acetate Ethyl 3-oxo-3-(m-tolyl)propanoate Ethyl 3-oxo-3-(m-tolyl)propionate Ethyl m-methylbenzoylacetate Ethyl m-toluoylacetate (CAS 33166-79-9)
- TT-COOEt (CAS 2055722-84-2)
- (+)-cucurbic acid (3R,6S,7S)-cucurbic acid 58240-50-9 CHEBI:18446 {(1R,2S,3S)-3-hydroxy-2-[(2Z)-pent-2-en-1-yl]cyclopentyl}acetic acid (CAS 58240-50-9)
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- 1-(3-(Difluoromethyl)-1-methyl-1H-pyrazol-4-yl)ethan-1-one (CAS 1814920-62-1)
- 2-(4-fluoro-3-methylphenyl)acetaldehyde (CAS 1256475-84-9)
- 3-(2-Formyl-1h-pyrrol-1-yl)benzonitrile (CAS 209958-45-2)
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