4-Chlorobut-2-yn-1-ol CAS 13280-07-4
| CAS No. | 13280-07-4 |
| Molecular Formula | C4H5ClO |
| Molecular Weight | 104.53 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-Chlorobut-2-yn-1-ol.
4-Chlorobut-2-yn-1-ol (CAS 13280-07-4), molecular formula C4H5ClO and molecular weight 104.53 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-Chlorobut-2-yn-1-ol (C4H5ClO) is characterized by a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 4-Chlorobut-2-yn-1-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H5ClO |
| Molecular Weight | 104.53 g/mol |
| 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 | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
Related Chlorobut Standards
- (Z)-2-chlorobut-2-enal (CAS 53175-28-3)
- 4-Chlorobut-2-en-1-amine (CAS 54880-27-2)
- (E)-4-Chlorobut-2-en-1-ol (CAS 1775-39-9)
- 4-Chlorobut-2-en-1-ol (CAS 7523-44-6)
- 4-Chlorobut-2-ynoic acid (CAS 13280-03-0)
- 4-chlorobut-2-enoic acid (CAS 16197-90-3)
- (E)-4-chlorobut-2-enoic acid (CAS 26340-58-9)
- 2-Chlorobut-3-enoic acid (CAS 24253-33-6)
Recommended Standards
- rac-Crotonoyl Chloride (CAS 10487-71-5)
- 2-Chlorocyclopropane-1-carbaldehyde (CAS 145939-75-9)
- 5-Chloro-1,2,4-oxadiazole (CAS 1346808-37-4)
- But-3-enoyl chloride (CAS 1470-91-3)
- 2-Methoxy-N-(4-methoxyphenyl)nicotinamide (CAS 303145-50-8)
- 1187164-43-7 2-(4-Isopropylbenzoyl)-6-methylpyridine MFCD13152594 (CAS 1187164-43-7)
- 2-(TERT-BUTYL)-6-CHLOROPYRIDINE (CAS 97691-23-1)
- (R)-1-Chloropropan-2-ol (CAS 19141-39-0)
- catASium T3 (CAS 868851-50-7)
- Ethyl 2-(2-azaspiro[3.3]heptan-6-yl)acetate 2,2,2-trifluoroacetate (CAS 2756314-06-2)
- Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)praseodymium(III) [NMR Shift Reagent] (CAS 15492-48-5)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(2,4-dimethoxypyrimidin-5-yl)urea (CAS 1448037-97-5)
- 5-Chloro-3-((4-chlorophenyl)sulfonyl)-2-methyl-1H-indole-6-carbonitrile (CAS 646514-54-7)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com