3-(4-Chlorophenyl)-4-oxo-N-phenyl-3,4-dihydrophthalazine-1-carboxamide CAS 86671-80-9
| CAS No. | 86671-80-9 |
| Molecular Formula | C21H14ClN3O2 |
| Molecular Weight | 375.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(4-Chlorophenyl)-4-oxo-N-phenyl-3,4-dihydrophthalazine-1-carboxamide (CAS 86671-80-9), a certified reference material (molecular formula C21H14ClN3O2, MW 375.81 g/mol) for analytical method development and quality control.
Structurally, 3-(4-Chlorophenyl)-4-oxo-N-phenyl-3,4-dihydrophthalazine-1-carboxamide (C21H14ClN3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 375.81 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3-(4-Chlorophenyl)-4-oxo-N-phenyl-3,4-dihydrophthalazine-1-carboxamide 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 | C21H14ClN3O2 |
| Molecular Weight | 375.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 2-[4-(4-Chlorophenyl)-2-methyl-3-oxo-1,2,4-oxadiazolidin-5-yl]-N-(4-methoxyphenyl)acetamide (CAS 477888-23-6)
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- 2-((5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 336173-82-1)
Recommended Standards
- 3-(3-(4-Chlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)benzamide (CAS 858118-80-6)
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- 3-((6-Chloro-4-phenylquinazolin-2-yl)amino)benzoic acid (CAS 330950-71-5)
- 4-(3-(4-Chlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)benzamide (CAS 858118-33-9)
- 2-Formylphenyl 2,4-dichlorobenzoate (CAS 622790-56-1)
- 1-(5-Phenylisoxazol-3-yl)cyclopropane-1-carboxylic acid (CAS 1351616-43-7)
- 3,5-Dichlorophenyl Methyl Sulphone (CAS 22821-89-2)
- 1-Stearoylpyrrolidine-2-carboxylic acid (CAS 113845-55-9)
- 5KNC2TSW9G 2426-87-1 Benzylvanillin Benzaldehyde, 3-methoxy-4-(phenylmethoxy)- 4-Benzyloxy-3-methoxybenzaldehyde AI3-36398 EINECS 219-379-0 NSC 208757 NSC 22599 NSC 44876 UNII-5KNC2TSW9G (CAS 2426-87-1)
- Methyl 4-bromo-2-hydroxy-6-methylbenzoate (CAS 2089319-35-5)
- 2-(1-(5-(Ethoxycarbonyl)-2,4-dimethyl-1H-pyrrole-3-carbonyl)piperidin-4-yl)acetic acid (CAS 1142209-97-9)
- (4-Methoxyphenyl)(2-((2-methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851801-04-2)
- Hexa-1,4-diyn-3-ol (CAS 62679-53-2)
- Liraglutide Impurity 10 TFA Salt (CAS CATO-C4X-199210)
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