5-(2-Chlorophenyl)-6-hydroxy-3-methyl-1-phenylpyridazin-4(1H)-one CAS 89314-20-5
| CAS No. | 89314-20-5 |
| Molecular Formula | C17H13ClN2O2 |
| Molecular Weight | 312.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2-Chlorophenyl)-6-hydroxy-3-methyl-1-phenylpyridazin-4(1H)-one (CAS 89314-20-5), molecular formula C17H13ClN2O2 and molecular weight 312.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(2-Chlorophenyl)-6-hydroxy-3-methyl-1-phenylpyridazin-4(1H)-one (C17H13ClN2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 312.75 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(2-Chlorophenyl)-6-hydroxy-3-methyl-1-phenylpyridazin-4(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H13ClN2O2 |
| Molecular Weight | 312.75 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
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- 1-Benzyl-5-(4-chlorophenyl)-1H-pyrazole-3-carboxylic Acid (CAS 1020236-01-4)
- 1365963-83-2 N-(4-Chlorophenyl)-2-[4-(2-hydroxyethyl)-3-oxomorpholin-2-yl]acetamide MFCD22056571 (CAS 1365963-83-2)
- 4-((4-Chlorophenyl)(hydroxy)methylene)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one (CAS 146271-26-3)
- 5-(4-Chlorophenyl)-1-(4-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 158941-09-4)
- Ethyl 2-(4-chlorophenyl)quinazoline-4-carboxylate (CAS 1956383-25-7)
- (E)-4-(((3-Chlorophenyl)amino)methylene)-2-(p-tolyl)oxazol-5(4H)-one (CAS 380645-27-2)
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Recommended Standards
- 5-(2-Chlorophenyl)-1-(4-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 477713-28-3)
- 5-(4-Chlorophenyl)-3-methyl-1-phenyl-1H-pyrazole-4-carboxylic acid (CAS 956743-45-6)
- 4-Chloro-N-(4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl)benzamide (CAS 89779-17-9)
- 5-(4-Chlorophenyl)-6-(p-tolyl)pyrimidine-2,4(1H,3H)-dione (CAS 613667-39-3)
- 5-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoic acid (CAS 1339049-65-8)
- 4-Ethyl-3-methylisoxazol-5-amine (CAS 91084-67-2)
- 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N-[(1S)-1-phenylethyl]acetamide (CAS 955975-71-0)
- 4-Methoxy-N-(2-oxo-2-phenyl-1-((4-sulfamoylphenyl)amino)ethyl)benzamide (CAS 332885-72-0)
- 4-Ethyl-6-(trifluoromethyl)pyridin-3-amine (CAS 1260813-20-4)
- 1-(2-Bromo-5-chlorophenyl)ethan-1-amine (CAS 1270382-65-4)
- Orforglipron impurity 99 (CAS CATO-C4X-323499)
- Bilastine impurity 88 (CAS 1316734-06-1)
- 4-Chlorobenzoic acid-α-<SUP>13</SUP>C (CAS 138534-66-4)
- Brain Injury Derived Neurotrophic Peptide (H-3914.0001) (CAS 148330-12-5)
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