4-Chloro-6-fluorocinnoline CAS 2251-62-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2251-62-9 |
| Molecular Formula | C8H4ClFN2 |
| Molecular Weight | 182.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-6-fluorocinnoline (CAS 2251-62-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4ClFN2. Molecular weight: 182.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4ClFN2 |
| Molecular Weight | 182.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-chloro-3-fluoro-4-nitro-pyridine (CAS 109613-90-3)
- 6-Chloro-2-fluoroquinoxaline (CAS 112080-05-4)
- 2-Chloro-6-fluoroquinazoline (CAS 113082-27-2)
- 6-chloro-5-fluoro-pyrimidine-4-carboxylic acid (CAS 1256785-64-4)
- 2-Chloro-7-fluoro-1,5-naphthyridine (CAS 1378470-92-8)
- 2-Chloro-8-fluoroquinazoline (CAS 1388055-06-8)
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- 1-(2-Chloro-4-fluorophenyl)prop-2-yn-1-one (CAS 1477879-38-1)
Recommended Standards
- 2-Chloro-8-fluoroquinoxaline (CAS 55687-10-0)
- 6-chloro-2-fluoro-3-nitro-pyridine (CAS 333998-11-1)
- 2-Chloro-7-fluoroquinazoline (CAS 956101-10-3)
- 2-Bromo-8-(2,3-difluorophenoxy)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (CAS 2443488-43-3)
- 1-Phenyl-N-(propan-2-ylidene)methanamine (CAS 1197-48-4)
- Rhein-13C6 (1,2,3,4,4a,9a-13C6) (CAS CATO-CCPE902499)
- 5-Cyclopropoxy-3-(methylthio)picolinaldehyde (CAS 1243350-03-9)
- Methyl 4-Hydroxypyrimidine-5-carboxylate (CAS 4774-35-0)
- Glufosinate Ammonium (CAS 77182-82-2)
- Semaglutide (CAS 910463-68-2)
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