7-Chloro-6-fluoro-4-((4-hydroxybenzylidene)amino)cinnoline-3-carboxylic acid CAS 159831-79-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 159831-79-5 |
| Molecular Formula | C16H9ClFN3O3 |
| Molecular Weight | 345.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-6-fluoro-4-((4-hydroxybenzylidene)amino)cinnoline-3-carboxylic acid (CAS 159831-79-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H9ClFN3O3. Molecular weight: 345.71 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H9ClFN3O3 |
| Molecular Weight | 345.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
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Recommended Standards
- 3-[1-(4-chlorophenyl)-1H-1,2,3,4-tetraazol-5-yl]-4-(dimethylamino)-1,1,1-trifluorobut-3-en-2-one (CAS 152427-02-6)
- Sitafloxacin Impurity N13 (CAS 127199-25-1)
- Phenyl 2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazine-1-carboxylate (CAS 860650-52-8)
- (4-Methylenecyclohexyl)methyl methanesulfonate (CAS 1228182-62-4)
- Methylcyclopentane (CAS 96-37-7)
- (S)-2-Amino-5-(hydrazinecarboximidamido)pentanoic acid hydrochloride (CAS 1031799-40-2)
- 6-(1-Butylpiperidin-2-yl)quinoline (CAS 1355225-87-4)
- (S)-N-cyclopropyl-N-(1-methylpyrrolidin-3-yl)glycine (CAS 1353995-80-8)
- 2-Chloro-5,5-dimethyl-1-cyclohexenecarbaldehyde (CAS 105854-65-7)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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