1,4-Dichlorobutane-2,3-diol CAS 2419-73-0
| CAS No. | 2419-73-0 |
| Molecular Formula | C4H8Cl2O2 |
| Molecular Weight | 159.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1,4-Dichlorobutane-2,3-diol (CAS 2419-73-0), molecular formula C4H8Cl2O2 and molecular weight 159.01 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H8Cl2O2, 1,4-Dichlorobutane-2,3-diol contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 159.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 1,4-Dichlorobutane-2,3-diol 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 | C4H8Cl2O2 |
| Molecular Weight | 159.01 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 | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Dichlorobutane Standards
- cis-1,4-Dichlorobutane-2,3-diol (CAS 40227-39-2)
- 1,4-Dichlorobutane-2,3-dione (CAS 81269-95-6)
- 1,4-Dichlorobutane-d8 (CAS 83547-96-0)
- 1,3-Dichlorobutane (CAS 1190-22-3)
- 1,1-Dichlorobutane (CAS 541-33-3)
- 2,3-dichlorobutane (CAS 7581-97-7)
- 1,2-Dichlorobutane (CAS 616-21-6)
- 2,2-Dichlorobutane-1,1,4-triyl triacetate (CAS 141942-59-8)
Recommended Standards
- 1,2-dichloro-1,2-dimethoxyethane (CAS 65611-10-1)
- (2S,3S)-1,4-Dichloro-2,3-butanediol 1,4-Dichlorobutane-2S-3S-diol 139165-54-1 (CAS 139165-54-1)
- Dichloroacetaldehyde Dimethyl Acetal (CAS 80944-06-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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