(1R,3R)-3-[2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride CAS 77723-39-8
| CAS No. | 77723-39-8 |
| 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,3R)-3-[2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(1R,3R)-3-[2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77723-39-8), molecular formula C8H9Cl2FO and molecular weight 211.06 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1R,3R)-3-[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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), (1R,3R)-3-[2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride 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 | 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
- 5-Bromo-2-methylbenzimidazole (CAS 1964-77-8)
- (1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77789-74-3)
- 7-Bromo-1H-indol-5-amine (CAS 196205-07-9)
- (1R,3S)-3-[(Z)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77789-75-4)
- N1,N1-dimethyl-1-(m-tolyl)ethane-1,2-diamine (CAS 928000-34-4)
- 1-Methyl-2-(1,1,2,2-tetrafluoroethoxy)benzene (CAS 42145-66-4)
- tert-Butyl 3-((allylthio)methyl)azetidine-1-carboxylate (CAS 2044797-38-6)
- 4-(1H-Indol-2-yl)butanoic acid (CAS 29873-09-4)
- 5-Bromo-1,2,3,4-tetrahydropyrido[3,4-b]pyrazine (CAS 1936172-07-4)
- 2-Chloro-5-(2-methyl-5-phenyl-1h-pyrrol-1-yl)benzoic acid (CAS 330946-35-5)
- 1-(4-(4-Fluorophenoxy)phenyl)ethan-1-ol (CAS 1156737-05-1)
- 1-(2-(Trifluoromethyl)benzyl)-1H-pyrrole-2,5-dione (CAS 140481-00-1)
- 2-Aminoethyl oleate (CAS 3282-75-5)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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