4-Fluoro-2-(trifluoromethyl)benzoyl chloride CAS 189807-21-4
| CAS No. | 189807-21-4 |
| Molecular Formula | C8H9ClF4O |
| Molecular Weight | 232.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Fluoro-2-(trifluoromethyl)benzoyl chloride.
4-Fluoro-2-(trifluoromethyl)benzoyl chloride (CAS 189807-21-4), molecular formula C8H9ClF4O and molecular weight 232.60 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Fluoro-2-(trifluoromethyl)benzoyl chloride (C8H9ClF4O) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 232.60 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-Fluoro-2-(trifluoromethyl)benzoyl chloride 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 | C8H9ClF4O |
| Molecular Weight | 232.60 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | F/Cl-containing |
Related Fluoro Standards
- 3-fluoro-5-(trifluoromethyl)benzoyl chloride (CAS 171243-30-4)
- 5-Fluoro-4-((trimethylsilyl)ethynyl)-1h-pyrrolo[2,3-b]pyridine (CAS 1228666-01-0)
- Ethyl(3'-fluoro-[1,1'-biphenyl]-4-yl)sulfane (CAS 1443307-64-9)
- Ethyl(4'-fluoro-[1,1'-biphenyl]-3-yl)sulfane (CAS 1443341-45-4)
- Ethyl(4'-fluoro-[1,1'-biphenyl]-4-yl)sulfane (CAS 1443341-52-3)
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- 6-fluoro-5H-[1,2,4]triazino[5,6-b]indole-3-thiol (CAS 1539472-04-2)
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Recommended Standards
- 2-Chloro-N-(4-fluoro-3-nitrophenyl)acetamide (CAS 196812-96-1)
- 5-Chloro-2-(trifluoromethyl)-1,6-naphthyridine (CAS 890301-88-9)
- 2-Chloro-N-(2-fluoro-5-nitrophenyl)acetamide (CAS 379254-83-8)
- 4-chloro-2-(trifluoromethyl)quinazoline (CAS 52353-35-2)
- Triisopentylamine (CAS 645-41-0)
- 6-Cyanopyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1315363-86-0)
- 1-(Furan-2-yl)-2-azaspiro[3.3]heptane (CAS 1865147-29-0)
- 4-Trifluoromethoxy-cyclohexylamine hydrochloride (CAS 2376143-28-9)
- 2-Hydroxybenzo[d][1,3,2]dithiazole 1,1,3,3-tetraoxide (CAS 77450-62-5)
- 4,4'-(1,10-Phenanthroline-2,9-diyl)diphenol (CAS 88498-43-5)
- 4-{2-[(3-Bromobenzyl)oxy]ethyl}piperidinehydrochloride (CAS 1220038-82-3)
- N-Me-Lys-OH (CAS 7431-89-2)
- N1-Boc-1,7-heptanediamine (CAS 99733-18-3)
- Cycloaspeptide A (CAS 109171-13-3)
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