3-(4-Chlorophenyl)-N-(2,4-difluorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carboxamide CAS 320417-63-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 320417-63-8 |
| Molecular Formula | C21H12ClF2N3O2 |
| Molecular Weight | 411.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(4-Chlorophenyl)-N-(2,4-difluorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carboxamide (CAS 320417-63-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H12ClF2N3O2. Molecular weight: 411.79 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H12ClF2N3O2 |
| Molecular Weight | 411.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
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- 1-Butyl-3-((3-chlorophenyl)sulfonyl)-6,7-difluoroquinolin-4(1H)-one (CAS 1326876-91-8)
- N-(2-chlorophenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide (CAS 1251594-01-0)
- N-(3-Chlorophenyl)-2-[5-(morpholine-4-sulfonyl)-2-oxo-1,2-dihydropyridin-1-yl]acetamide (CAS 1251631-16-9)
- N-(4-chlorophenyl)-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxamide (CAS 477872-25-6)
- N-(4-Chlorophenyl)-2-((5-(3-hydroxynaphthalen-2-yl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332377-30-7)
- N-(4-(4-((4-chlorophenyl)sulfonyl)piperazin-1-yl)-3-fluorophenyl)acetamide (CAS 866131-34-2)
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Recommended Standards
- 1,2-Bis(2-bromophenyl)ethane (CAS 59485-34-6)
- Toxaphene (CAS 8001-35-2)
- 6-Chloro-7-deaza-9-(2,3,5-tri-O-acetyl-β-D-ribofuranoysyl)purine (CAS 16754-79-3)
- 2-Fluoro-6-(prop-1-yn-1-yl)pyridine (CAS 143651-24-5)
- 4-Amino-1-fluorocyclohexane-1-carboxylic acid (CAS 1427378-61-7)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-((R)-2-hydroxypropyl)-N-methyl-L-serine (CAS 2255322-31-5)
- 2-bromo-7-methoxy-5-methylpyrazolo[1,5-a]pyridine (CAS 1427439-11-9)
- 2-Chloronicotinimidamide (CAS 473464-13-0)
- ethyl (5E,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate (CAS CATO-C4X-289027)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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