2-(Bromomethyl)-1,1-dichlorocyclopropane CAS 3591-45-5
| CAS No. | 3591-45-5 |
| Molecular Formula | C4H5BrCl2 |
| Molecular Weight | 203.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(Bromomethyl)-1,1-dichlorocyclopropane is closely related to chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(Bromomethyl)-1,1-dichlorocyclopropane (CAS 3591-45-5), molecular formula C4H5BrCl2 and molecular weight 203.89 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Bromomethyl)-1,1-dichlorocyclopropane (C4H5BrCl2) contains chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 203.89 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 2-(Bromomethyl)-1,1-dichlorocyclopropane 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 | C4H5BrCl2 |
| Molecular Weight | 203.89 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 | Cl/Br-containing |
Related Bromomethyl Standards
- 1-[5-(bromomethyl)-1,2-oxazol-3-yl]ethan-1-one (CAS 852107-62-1)
- 4-(Bromomethyl)-3-fluoroaniline (CAS 1196157-48-8)
- 4-(Bromomethyl)-2-fluoro-3-methylpyridine (CAS 1227496-39-0)
- 3-(Bromomethyl)-6-fluoro-2-methylpyridine (CAS 1227575-25-8)
- 3-(bromomethyl)-2-fluoro-6-methylpyridine (CAS 1227592-60-0)
- 5-(Bromomethyl)-2-fluoro-3-methylpyridine (CAS 1260812-39-2)
- 5-(Bromomethyl)-3-fluoro-2-methylpyridine (CAS 1379358-46-9)
- 2-(Bromomethyl)-5-fluoro-3-methylpyridine (CAS 1805114-17-3)
Recommended Standards
- Molybdenum carbide (CAS 12069-89-5)
- 2-Fluoro-2-iodoacetic acid (CAS 471-45-4)
- 5,10-Dimethyl-5,10-dihydroboranthrene (CAS 62025-67-6)
- (3-Methyl-2-(trifluoromethyl)phenyl)boronic acid (CAS 1383576-04-2)
- 2-(Difluoromethyl)-6-hydroxypyridine-3-sulfonyl chloride (CAS 1806052-93-6)
- Tert-butyl 7-oxo-7H-spiro[furo[3,4-b]pyridine-5,4'-piperidine]-1'-carboxylate (CAS 1187829-90-8)
- Methyl 3-(pyridine-4-amido)thiophene-2-carboxylate (CAS 540757-87-7)
- (2-(3-Methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)thiazol-4-yl)(4-phenylpiperazin-1-yl)methanone (CAS 955976-76-8)
- 4-Chloro-N-(4-methylcyclohexyl)aniline (CAS 1036478-57-5)
- 4-Methoxycarbonylphenylboronic acid pinacol ester (CAS 17136-80-0)
- 1-{[3-(2,2,2-trifluoroethyl)-1,2,4-oxadiazol-5-yl]methyl}-1h-pyrazol-4-amine hydrochloride (CAS 1354957-62-2)
- 6-chloroimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 29096-59-1)
- 1261365-94-9 3346AD 7-(Dimethoxymethyl)-2,3-dihydro-[1,4]dioxino-[2,3-b]pyridine C10H13NO4 (CAS 1261365-94-9)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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