5-(3-Hydroxy-4-methoxyphenyl)-5-methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one CAS 1092388-61-8
| CAS No. | 1092388-61-8 |
| Molecular Formula | C18H18N2O3 |
| Molecular Weight | 310.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 5-(3-Hydroxy-4-methoxyphenyl)-5-methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 310.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-(3-Hydroxy-4-methoxyphenyl)-5-methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one (CAS 1092388-61-8) is a high-purity analytical reference standard with the molecular formula C18H18N2O3 and a molecular weight of 310.35 g/mol.
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), 5-(3-Hydroxy-4-methoxyphenyl)-5-methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one 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 | C18H18N2O3 |
| Molecular Weight | 310.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 6-Hydroxy Alosetron HCl (CAS 128486-89-5)
- 1-(5-(3-Hydroxy-4-methoxyphenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (CAS 927140-85-0)
- 1-Hydroxy-2,3-diphenylindolizine-7-carbonitrile (CAS 86203-32-9)
- 7-Hydroxy Alosetron (CAS 863485-44-3)
- 1-Hydroxy-2-isobutyl-8-methoxyanthracene-9,10-dione (CAS 139565-35-8)
- 2-Butyl-1-hydroxy-8-methoxyanthracene-9,10-dione (CAS 139582-75-5)
- 1-(6-Hydroxy-3-methoxy-2,4-dimethylphenyl)naphthalene-2,3-diol (CAS 1832513-68-4)
- (R)-7-Hydroxy-1,6,6-trimethyl-6,7,8,9-tetrahydrophenanthro[1,2-b]furan-10,11-dione (CAS 97399-71-8)
Recommended Standards
- 5-Phenyl-3-(4-phenylpyridin-2-yl)-1,2,4-triazine (CAS 108775-05-9)
- N-(1,3-Benzodioxol-5-ylmethyl)-N-[(5-methoxy-1H-indol-3-yl)methyl]amine (CAS 1114597-64-6)
- N2-(2-(2-Hydroxyethoxy)ethyl)-N4-(p-tolyl)-L-asparagine (CAS 1048005-82-8)
- 4'-(4-Pyridyl)-2,2':6',2''-terpyridine (CAS 112881-51-3)
- 2-Thia-1-azaspiro[3.5]nonane 2,2-dioxide (CAS 681851-46-7)
- 1-Hydroxy-2-(2-methylallyl)anthracene-9,10-dione (CAS 84736-03-8)
- Methyl 2,4,6-tris(benzhydryloxy)pyrimidine-5-carboxylate (CAS 87847-91-4)
- 1-(1-Ethyl-1H-1,3-benzodiazol-2-yl)propan-1-one (CAS 1581245-09-1)
- 4-Nitrobenzyl 3-oxobutanoate (CAS 61312-84-3)
- 2-Methylquinazoline (CAS 700-79-8)
- 4-(Pyridin-3-yl)thiazole-2-carbaldehyde hydrochloride (CAS 2089651-28-3)
- 6-Allyldihydronorisolysergic Acid Methyl Ester (CAS 86891-16-9)
- 6-(4-(Heptyloxy)phenyl)-6-oxohexanoic acid (CAS 898792-21-7)
- Nonapeptide-1 (CAS 158563-45-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com