2,2,2-Trichloro-1-phenylethyl acetate CAS 90-17-5
| CAS No. | 90-17-5 |
| Molecular Formula | C10H9Cl3O2 |
| Molecular Weight | 267.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,2,2-Trichloro-1-phenylethyl acetate 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.
2,2,2-Trichloro-1-phenylethyl acetate (CAS 90-17-5) is a high-purity analytical reference standard with the molecular formula C10H9Cl3O2 and a molecular weight of 267.54 g/mol.
Structurally, 2,2,2-Trichloro-1-phenylethyl acetate (C10H9Cl3O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 267.54 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C10H9Cl3O2 |
| Molecular Weight | 267.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Trichloro Standards
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Recommended Standards
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- Quinmerac (CAS 90717-03-6)
- 2,2-Dimethylthiomorpholine (CAS 3970-89-6)
- Mabuterol Impurity 12 (CAS CATO-C4X-145412)
- 3,3-Dimethyl-1-tosyl-2,3-dihydroquinolin-4(1H)-one (CAS 112565-67-0)
- 2-{[3-(trifluoromethyl)pyridin-2-yl]oxy}ethan-1-amine hydrochloride (CAS 1423034-38-1)
- Cyclohexyl-α-MIDA-boryl aldehyde (CAS 1329422-59-4)
- 6',7'-Dimethoxy-1'H-spiro[piperidine-4,2'-quinazolin]-4'(3'H)-one (CAS 1355219-01-0)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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