(1R)-1-(3,4-dichlorophenyl)ethan-1-ol CAS 252963-12-5
| CAS No. | 252963-12-5 |
| Molecular Formula | C8H8Cl2O |
| Molecular Weight | 191.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1R)-1-(3,4-dichlorophenyl)ethan-1-ol (CAS 252963-12-5), molecular formula C8H8Cl2O and molecular weight 191.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1R)-1-(3,4-dichlorophenyl)ethan-1-ol (C8H8Cl2O) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 191.05 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.
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), (1R)-1-(3,4-dichlorophenyl)ethan-1-ol 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 | C8H8Cl2O |
| Molecular Weight | 191.05 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 | Cl-containing |
Related R Standards
- 2-(2,3-Dichlorophenyl)ethanol (CAS 114686-85-0)
- (R)-1-(2,5-Dichlorophenyl)ethanol (CAS 1212133-29-3)
- 1-(3,4-Dichlorophenyl)ethanol (CAS 1475-11-2)
- 1-(2,5-Dichlorophenyl)ethanol (CAS 1475-12-3)
- 1-(2,4-Dichlorophenyl)ethanol (CAS 1475-13-4)
- (R)-1-(3,5-Dichlorophenyl)ethan-1-ol (CAS 1629065-91-3)
- (S)-1-(3,5-Dichlorophenyl)ethan-1-ol (CAS 1629065-94-6)
- (1s)-1-(2,4-Dichlorophenyl)ethan-1-ol (CAS 179237-92-4)
Recommended Standards
- 4-Bromo-3-thiophenecarbaldehyde (CAS 18791-78-1)
- (1s)-1-(2,5-Dichlorophenyl)ethan-1-ol (CAS 691881-93-3)
- 2-(2,5-Dichlorophenyl)ethan-1-ol (CAS 1875-87-2)
- (1s)-1-(3,4-Dichlorophenyl)ethan-1-ol (CAS 252963-13-6)
- 4-[(1Z)-[(4H-1,2,4-Triazol-4-yl)imino]methyl]phenol (CAS 32787-78-3)
- 4-(Bromomethyl)-N-(4-fluorophenyl)benzenesulfonamide (CAS 260969-08-2)
- (5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-7-yl)methanamine dihydrochloride (CAS 1803583-23-4)
- Chrysotobibenzyl (CAS 108853-09-4)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methylhexanoic acid (CAS 204320-60-5)
- 2-Vinylisonicotinonitrile (CAS 98436-74-9)
- 1-Allyl-4-(3-chlorophenyl)-2-methyl-1H-imidazol-5-amine (CAS 1269534-83-9)
- 1-(chloroacetyl)-2-methylindoline-5-sulfonamide (CAS 929973-96-6)
- 4-((3-Nitrobenzylidene)amino)-5-(m-tolyl)-4H-1,2,4-triazole-3-thiol (CAS 478256-03-0)
- (Ser(PO3H2)202,Thr(PO3H2)205)-Tau Peptide (194-213) trifluoroacetate salt (CAS 2022956-55-2)
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