2,3-dichlorobutane CAS 7581-97-7
| CAS No. | 7581-97-7 |
| Molecular Formula | C4H8Cl2 |
| Molecular Weight | 127.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 127.01 g/mol gives 2,3-dichlorobutane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-dichlorobutane (CAS 7581-97-7), molecular formula C4H8Cl2 and molecular weight 127.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3-dichlorobutane (C4H8Cl2) contains chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 127.01 g/mol, it falls into the low-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.
CATO manufactures 2,3-dichlorobutane 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 | C4H8Cl2 |
| Molecular Weight | 127.01 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
Related dichlorobutane Standards
- 1,3-Dichlorobutane (CAS 1190-22-3)
- 1,1-Dichlorobutane (CAS 541-33-3)
- 1,2-Dichlorobutane (CAS 616-21-6)
- 1,4-Dichlorobutane-d8 (CAS 83547-96-0)
- 1,4-Dichlorobutane-2,3-dione (CAS 81269-95-6)
- 1,4-Dichlorobutane-2,3-diol (CAS 2419-73-0)
- cis-1,4-Dichlorobutane-2,3-diol (CAS 40227-39-2)
- 2,2-Dichlorobutane-1,1,4-triyl triacetate (CAS 141942-59-8)
Recommended Standards
- 616-21-7 45N8M9T967 1,2-Dichlorobutane Butane, 1,2-dichloro- EINECS 210-469-5 HSDB 5717 NSC 93880 UNII-45N8M9T967 (CAS 616-21-7)
- 1,2-Dichloro-2-methylpropane (CAS 594-37-6)
- 28274-57-9 AR-1K4875 n-{5-[bis(2-hydroxyethyl)amino]-2-[(e)-(2-chloro-4-nitrophenyl)diazenyl]phenyl}acetamide (CAS 28274-57-9)
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