2-Bromo-5-chloro-3-fluorobenzoyl chloride CAS 1804897-40-2
| CAS No. | 1804897-40-2 |
| Molecular Formula | C7H2BrCl2FO |
| Molecular Weight | 271.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 271.90 g/mol gives 2-Bromo-5-chloro-3-fluorobenzoyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-5-chloro-3-fluorobenzoyl chloride (CAS 1804897-40-2), molecular formula C7H2BrCl2FO and molecular weight 271.90 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H2BrCl2FO, 2-Bromo-5-chloro-3-fluorobenzoyl chloride contains a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 271.90 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 2-Bromo-5-chloro-3-fluorobenzoyl 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 | C7H2BrCl2FO |
| Molecular Weight | 271.90 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- 5-Bromo-4-chloro-2-fluorobenzoyl chloride (CAS 1070892-56-6)
- 4-Bromo-3,6-dichloro-2-fluorobenzaldehyde (CAS 1160573-29-4)
- 1424857-31-7 4-Bromo-3-chloro-2-fluorobenzoyl chloride (CAS 1424857-31-7)
- 5-Bromo-3-chloro-2-fluorobenzoyl chloride (CAS 1536225-35-0)
- 3-Bromo-2-chloro-5-fluorobenzoyl chloride (CAS 1804382-19-1)
- 2-Bromo-4-chloro-5-fluorobenzoyl chloride (CAS 1804897-32-2)
- 2-Bromo-5-chloro-4-fluorobenzoyl chloride (CAS 1805105-25-2)
- 3-Bromo-2-chloro-6-fluorobenzoyl chloride (CAS 1805478-79-8)
Recommended Standards
- 5-Bromo-2-chloro-4-fluorobenzoyl chloride (CAS 1805478-84-5)
- 2-Bromo-4-chloro-6-fluorobenzoyl chloride (CAS 1805575-89-6)
- 4-Bromo-5-chloro-2-fluorobenzoyl chloride (CAS 1805575-91-0)
- 4-Bromo-2-chloro-6-fluorobenzoyl chloride (CAS 1805576-78-6)
- 3-Methyl-1-(piperidin-2-yl)butan-2-one (CAS 1512982-95-4)
- 3-hydrazinyl-1$l^{6},2-benzothiazole-1,1-dione 3-hydrazinyl-1|E6,2-benzothiazole-1,1-dione 6635-42-3 (CAS 6635-42-3)
- [4,4′-Bis(trifluoromethyl)-2,2′-bipyridine-κN1,κN1′]bis[5-fluoro-2-(2-pyridinyl-κN)phenyl-κC]-, (OC-6-33)-Iridium(1+), hexafluorophosphate(1-) (1:1) (CAS 2757085-01-9)
- 2-Morpholino-6-nitrobenzaldehyde (CAS 1774900-22-9)
- Ethyl-(3-trifluoromethylsulfanyl-propyl)-amine (CAS 1208078-95-8)
- (2-Cyano-4-(4-methyl-1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225180-96-9)
- 1-Bromo-2-(chloromethyl)-4-nitrobenzene (CAS 1134559-00-4)
- 5-(3-(Benzo[d]thiazol-2-yl)phenyl)-1,3,4-oxadiazol-2-amine (CAS 1706454-21-8)
- (S)-Ethyl 2-amino-3-(1H-indol-3-yl)propanoate (CAS 67645-67-4)
- Insulin Glargine (CAS 160337-95-1)
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