(1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride CAS 77789-74-3
| CAS No. | 77789-74-3 |
| Molecular Formula | C8H9Cl2FO |
| Molecular Weight | 211.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.06 g/mol gives (1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77789-74-3) is a high-purity analytical reference standard with the molecular formula C8H9Cl2FO and a molecular weight of 211.06 g/mol.
Structurally, (1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (C8H9Cl2FO) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 211.06 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.
CATO manufactures (1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride 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 | C8H9Cl2FO |
| Molecular Weight | 211.06 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 | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | F/Cl-containing |
Recommended Standards
- (1R,3R)-3-[2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77723-39-8)
- (1R,3S)-3-[(Z)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77789-75-4)
- 5-Bromo-2-methylbenzimidazole (CAS 1964-77-8)
- (E)-2-Bromo-3-phenylacrylaldehyde (CAS 99686-39-2)
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