3-(3-Chloro-2-methylphenyl)-N'-[(1E)-(3-methoxyphenyl)methylidene]-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide CAS 672949-04-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 672949-04-1 |
| Molecular Formula | C24H19ClN4O3 |
| Molecular Weight | 446.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3-Chloro-2-methylphenyl)-N'-[(1E)-(3-methoxyphenyl)methylidene]-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 672949-04-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C24H19ClN4O3. Molecular weight: 446.89 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C24H19ClN4O3 |
| Molecular Weight | 446.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
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- 3-(3-Chloro-2-methylphenyl)-N'-(4-methylbenzoyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 866039-05-6)
- 5-(2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)ethyl)-N-phenylthiophene-2-sulfonamide (CAS 861208-58-4)
- 7-Chloro-2-[[2-(3,4-dihydroxyphenyl)-2-oxoethyl]thio]-3-[(tetrahydro-2-furanyl)methyl]-4(3H)-quinazolinone (CAS 1057725-14-0)
- N-(4-Chloro-3-(trifluoromethyl)phenyl)-2-((4-ethyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 566188-43-0)
- 5-(5-Chloro-2-methoxybenzenesulfonyl)-8-(trifluoromethyl)-1H,2H,3H,3aH,4H,5H-pyrrolo[1,2-a]quinoxaline (CAS 861207-45-6)
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- 2-Chloro-6-fluoro-3,4-bis((4-methoxybenzyl)oxy)benzoic acid (CAS 2637445-13-5)
Recommended Standards
- 5-(4-((2-Chlorobenzyl)oxy)phenyl)-N'-(2-hydroxybenzylidene)-1H-pyrazole-3-carbohydrazide (CAS 634897-22-6)
- Methyl 5-((3-chlorophenyl)carbamoyl)-2-(4-fluorobenzamido)-4-methylthiophene-3-carboxylate (CAS 335409-80-8)
- N-(7-Nitro-9H-fluoren-2-yl)formamide (CAS 6583-71-7)
- 4-(1-Hydroxy-2-(pyridin-3-yl)ethyl)phenol (CAS 115382-40-6)
- Phthalimidinoglutarimide-C3-O-PEG1-C2-amine HCl (CAS 2357109-71-6)
- (2-(Methylamino)pyridin-3-yl)methyl 2-(methylamino)acetate hydrochloride (Isavuconazole Impurity) (CAS 2732924-99-9)
- 6-Bromoisoquinoline-3-carboxylic acid (CAS 1416713-22-8)
- Timolol Impurity 29 (CAS CATO-C4X-149629)
- 2,2-dimethyl-3'-trifluoromethylpropiophenone (CAS 586346-65-8)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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