2-Chloro-4,5-difluorobenzyl alcohol CAS 288154-93-8
| CAS No. | 288154-93-8 |
| Molecular Formula | C7H5ClF2O |
| Molecular Weight | 178.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-4,5-difluorobenzyl alcohol 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.
CATO supplies 2-Chloro-4,5-difluorobenzyl alcohol (CAS 288154-93-8), a certified reference material (molecular formula C7H5ClF2O, MW 178.56 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H5ClF2O, 2-Chloro-4,5-difluorobenzyl alcohol contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 178.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H5ClF2O |
| Molecular Weight | 178.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 1-Chloro-2-(difluoromethoxy)benzene (CAS 119558-77-9)
- 1-Chloro-3-(difluoromethoxy)benzene (CAS 1214350-86-3)
- (3-Chloro-4,5-difluorophenyl)methanol (CAS 1260790-50-8)
- 2-Chloro-6-(difluoromethyl)phenol (CAS 1261440-82-7)
- 2-Chloro-1,3-difluoro-4-methoxybenzene (CAS 1261472-07-4)
- 3-Chloro-2-(difluoromethyl)phenol (CAS 1261479-57-5)
- 1-Chloro-4,5-difluoro-2-methoxybenzene (CAS 1261598-22-4)
- 1-Chloro-2,4-difluoro-5-methoxybenzene (CAS 1261628-93-6)
Recommended Standards
- 2-Chloro-4,4-Difluoro-6-Methyl-2,5-Cyclohexadien-1-One (CAS 494796-68-8)
- 3-Chloro-2,6-difluorobenzyl alcohol (CAS 252004-35-6)
- 2-Chloro-1,4-difluoro-3-methoxybenzene (CAS 261762-37-2)
- 5-Chloro-2,4-difluorobenzyl alcohol (CAS 915409-63-1)
- (3-Methoxy-5-(trifluoromethyl)pyridin-2-yl)methanol (CAS 1806548-35-5)
- N-Methoxy-N-methylpyridazine-4-carboxamide (CAS 823189-69-1)
- 5-Thiaspiro[3.5]nonan-8-amine hydrochloride (CAS 2138199-30-9)
- N-(2-methoxy-4-nitrophenyl)-3-oxobutanamide (CAS 91088-39-0)
- (3S,5R)-5-(Trifluoromethyl)piperidin-3-ol (CAS 2165681-21-8)
- diethyl azodicarboxylate (CAS 4143-61-7)
- 1-(5-Bromo-2-methoxybenzyl)-1-(4-isopropylphenyl)-3-phenylthiourea (CAS 763130-54-7)
- 3-Methoxy-5-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 425426-80-8)
- N,N'-carbonyldiformamide (CAS 188596-19-2)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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