(S)-4-(3,4-Dichlorophenyl)but-3-yn-2-ol CAS 2381027-78-5
| CAS No. | 2381027-78-5 |
| Molecular Formula | C10H8Cl2O |
| Molecular Weight | 215.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-4-(3,4-Dichlorophenyl)but-3-yn-2-ol (CAS 2381027-78-5), molecular formula C10H8Cl2O and molecular weight 215.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-4-(3,4-Dichlorophenyl)but-3-yn-2-ol (C10H8Cl2O) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 215.08 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), (S)-4-(3,4-Dichlorophenyl)but-3-yn-2-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 | C10H8Cl2O |
| Molecular Weight | 215.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
Related S Standards
- 2-(2,3-Dichlorophenyl)cyclopropanecarbaldehyde (CAS 1479191-21-3)
- 2-(2,4-Dichlorophenyl)cyclopropanecarbaldehyde (CAS 1487923-32-9)
- 4-(3,5-Dichlorophenyl)but-3-en-2-one (CAS 1675220-86-6)
- 2-(3,4-Dichlorophenyl)-2-(methylamino)acetonitrile (CAS 181640-85-7)
- (E)-4-(2,6-Dichlorophenyl)but-3-en-2-one (CAS 55420-71-8)
- (E)-4-(3,4-Dichlorophenyl)but-3-en-2-one (CAS 55420-70-7)
- 3-((3,4-Dichlorophenyl)amino)propanenitrile (CAS 36053-75-5)
- 4-(2,6-Dichlorophenyl)but-3-en-2-one (CAS 41420-69-3)
Recommended Standards
- 1-(4-Chlorophenyl)cyclopropanecarbonyl chloride (CAS 78682-33-4)
- 1-bromo-3,3-difluoro-2,2-dimethylpentane (CAS 2031258-76-9)
- (E)-4-(2,4-Dichloro-phenyl)-but-3-en-2-one (CAS 61888-78-6)
- 1-Bromo-6,6-difluoroheptane (CAS 338751-88-5)
- 4-(3-Aminopropyl)-3-chloropyridin-2-amine (CAS 1393544-63-2)
- 1-(1-Methyl-1H-indol-2-yl)ethanone (CAS 16498-68-3)
- 5-Chloro-2-(1,1-dioxo-1lambda6-thiomorpholin-4-yl)benzonitrile (CAS 1271453-28-1)
- Ytterbium carbonate hydrate, 99.99% (CAS 5895-52-3)
- 3-[(1R,3S)-3-amino-2,2-dimethylcyclobutyl]propanoic acid hydrochloride (CAS 1955474-15-3)
- 2,3,6,7-Tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-ol hydrobromide (CAS 101077-32-1)
- Tert-butyl 7-oxohexahydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate (CAS 1532891-91-0)
- 1-Cyclobutylpiperazine (CAS 132800-13-6)
- (Methylthio)methyl butyrate (CAS 74758-93-3)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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