rel-(1S,3s)-1,3-Dibromocyclobutane CAS 4934-58-1
| CAS No. | 4934-58-1 |
| Molecular Formula | C4H6Br2 |
| Molecular Weight | 213.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
rel-(1S,3s)-1,3-Dibromocyclobutane (CAS 4934-58-1) is a high-purity analytical reference standard with the molecular formula C4H6Br2 and a molecular weight of 213.90 g/mol.
Owing to bromine substitution, rel-(1S,3s)-1,3-Dibromocyclobutane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 213.90 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), rel-(1S,3s)-1,3-Dibromocyclobutane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H6Br2 |
| Molecular Weight | 213.90 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1958 |
| Halogen Content | Br-containing |
Recommended Standards
- 2,4-Dibromobut-1-ene (CAS 55030-57-4)
- (E)-1,4-Dibromobut-2-ene (CAS 821-06-7)
- 1-bromo-1-(bromomethyl)cyclopropane (CAS 33742-80-2)
- (Z)-1,4-dibromobut-2-ene (CAS 18866-73-4)
- 3,5-Dibromo-4-nitrophenol (CAS 76362-09-9)
- 2,6-Difluoro-3-iodophenylboronic acid (CAS 1447827-58-8)
- 4-(trifluoromethyl)-1h-pyrrole-2-carboxylic acid (CAS 149427-58-7)
- 4-(Neopentyloxy)aniline (CAS 62517-38-8)
- 2-Bromo-5-chlorothiophene (CAS 2873-18-9)
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- 6-Methyl-7-oxooctanoic acid (CAS 99183-34-3)
- N'-(4-bromo-3-fluorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 2416046-72-3)
- 4,6-dimethyl-1H-benzimidazol-2-amine (CAS 67469-39-0)
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