trans-2,3-Dibromo-2-butene-1,4-diol CAS 21285-46-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21285-46-1 |
| Molecular Formula | C4H6Br2O2 |
| Molecular Weight | 245.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
trans-2,3-Dibromo-2-butene-1,4-diol (CAS 21285-46-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H6Br2O2. Molecular weight: 245.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H6Br2O2 |
| Molecular Weight | 245.90 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 1.0 |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
Related trans Standards
- 2,3-Dibromo-2-methylpropanoic acid (CAS 33673-74-4)
- 2,4-Dibromo-butyric acid (CAS 63164-16-9)
- 2,3-Dibromo-2-butene-1,4-diol (CAS 3234-02-4)
- 2,3-Dibromo-3-methylbutan-1-ol (CAS 100606-78-8)
- 3,3-Dibromo-2-oxopropanoic acid (CAS 600-35-1)
- 3,6-dibromo-1,2,4-triazine (CAS 2383781-01-7)
- 1,2-Dibromo-3,3-dimethylbutane (CAS 640-21-1)
- 1,3-Dibromo-2,3-dimethylbutane (CAS 49623-54-3)
Recommended Standards
- Theophylline Impurity 11 (CAS 24442-57-7)
- Ethyl Dibromoacetate (CAS 617-33-4)
- 2,3,5,6-Tetrachloroanisole (CAS 6936-40-9)
- 2-(Tert-butyl)-7-fluoro-5-nitro-1H-indole (CAS 952664-94-7)
- Mg In Water (CAS CATO-CCRM106087)
- 2-Chloro-1-morpholino-2-phenylethan-1-one (CAS 18504-71-7)
- (19alpha)-3,4,5,6,16,17-hexadehydro-16-(methoxycarbonyl)-19-methyloxayohimbanium (4S,4aR,14aS)-4-methyl-1-[(methyloxy)carbonyl]-4a,5,14,14a-tetrahydro-4H-indolo[2,3-a]pyrano[3,4-g]quinolizin-6-ium-13-ide 18786-24-8 CHEBI:9119 Serpentine (alkaloid) methyl (19alpha)-19-methyl-3,4,5,6,16,17-hexadehydro-18-oxayohimban-4-ium-1-ide-16-carboxylate methyl (19alpha)-19-methyl-3,4,5,6,16,17-hexadehydrooxayohimban-4-ium-1-ide-16-carboxylate serpentine (CAS 18786-24-8)
- (2E)-2-Cyano-3-(dimethylamino)-N'-[(2E)-5,5,5-trifluoro-4-oxopentan-2-ylidene]prop-2-enehydrazide (CAS 478064-02-7)
- 4-((2-Morpholinophenyl)amino)-4-oxobutanoic acid (CAS 462068-44-6)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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 13829788188 / jacky.chen@cato-chem.com