1,3-Dichloro-2-butene (cis- and trans- mixture) CAS 926-57-8
| CAS No. | 926-57-8 |
| Molecular Formula | C4H6Cl2 |
| Molecular Weight | 125.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,3-Dichloro-2-butene (cis- and trans- mixture) (CAS 926-57-8), molecular formula C4H6Cl2 and molecular weight 125.00 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to chlorine substitution, 1,3-Dichloro-2-butene (cis- and trans- mixture) is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 125.00 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 1,3-Dichloro-2-butene (cis- and trans- mixture) 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 | C4H6Cl2 |
| Molecular Weight | 125.00 g/mol |
| Purity | >95% |
| 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) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
- 1,4-Dichloro-2-butene cis & trans (CAS 764-41-0)
- 3,4-Dichloro-1-butene (CAS 760-23-6)
- Cis-1,4-Dichloro-2-Butene (CAS 1476-11-5)
- Trans-1,4-Dichloro-2-Butene (CAS 110-57-6)
- 2,2-Dichloro-acetamidine (CAS 44301-22-6)
- 1,2-Dichloro-2-methylpropane (CAS 594-37-6)
- 2,3-Dichloro-1-propanol (CAS 616-23-9)
- 286367-78-0 Dichloro(2-~13~C)acetic acid DTXSID40583847 (CAS 286367-78-0)
Recommended Standards
- 3-Chloro-2-chloromethyl-1-propene (CAS 1871-57-4)
- Bromocyclopropane-2,2,3,3-d4 (CAS 1398065-55-8)
- 1-Bromopropane-1,1-d2 (CAS 40422-05-7)
- 1-Bromopropane-2,3-<SUP>13</SUP>C<SUB>2</SUB> (CAS 1173023-37-4)
- 2-Chloro-5-hydroxybenzoic acid (CAS 56961-30-9)
- Ethyl 2,2-dimethylpropanecarboximidate hydrochloride (CAS 58910-26-2)
- 2-(Chloromethyl)-3-(difluoromethyl)-4-iodopyridine-6-methanol (CAS 1805428-83-4)
- Isoxazolo[5,4-c]pyridin-3(2H)-one (CAS 847996-42-3)
- 2-[(4-Butyl-2-oxo-2H-chromen-7-yl)oxy]propanoic acid (CAS 428503-46-2)
- 1-(methyl-d3)-1H-1,3-benzodiazole (CAS 1224852-73-6)
- 3-(4,5-Dimethylthiophen-2-yl)-1-methyl-1h-pyrazol-5-amine (CAS 1479635-31-8)
- 5-Oxo-6-phenylhexanoic acid (CAS 40564-60-1)
- N-Ethyl-3-methylbutan-1-amine (CAS 21035-52-9)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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