4-{3-[3-methoxy-4-(propan-2-yloxy)phenyl]-1,2,4-oxadiazol-5-yl}-2-phenyl-1,2-dihydrophthalazin-1-one CAS 1707728-03-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1707728-03-7 |
| Molecular Formula | C26H22N4O4 |
| Molecular Weight | 454.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-{3-[3-methoxy-4-(propan-2-yloxy)phenyl]-1,2,4-oxadiazol-5-yl}-2-phenyl-1,2-dihydrophthalazin-1-one (CAS 1707728-03-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H22N4O4. Molecular weight: 454.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H22N4O4 |
| Molecular Weight | 454.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related methoxy Standards
- (E)-Methoxy({2,2,2-trifluoro-1-[1-(4-fluorophenyl)-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl]ethylidene})amine (CAS 477859-36-2)
- Tris(4-methoxy-3,5-dimethylphenyl)phosphine (CAS 121898-64-4)
- 5-Methoxy-2-((tosyloxy)methyl)tetrahydrofuran-3-yl 4-methylbenzenesulfonate (CAS 60110-72-7)
- 6-Methoxy-2-methyl-3-(3,4,5-trimethoxybenzoyl)benzofuran-7-yl dihydrogen phosphate (CAS 945772-45-2)
- 3-Methoxy-4-Hydroxyclomiphene (CAS 117095-59-7)
- N-(2-methoxy-5-methylphenyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040682-21-0)
- 4-Methoxy-N-(1-(4-methoxybenzyl)-5,6-dimethyl-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-91-9)
- 4-Methoxy-N-{1-[(3-methoxyphenyl)methyl]-5,6-dimethyl-1H-1,3-benzodiazol-4-yl}benzene-1-sulfonamide (CAS 338955-15-0)
Recommended Standards
- 6-Amino-9-(1-(but-2-ynoyl)pyrrolidin-3-yl)-7-(4-phenoxyphenyl)-7H-purin-8(9H)-one (CAS 1351636-25-3)
- (E)-2-(Benzo[d]thiazol-2-yl)-3-(2-(4-fluorophenoxy)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)acrylonitrile (CAS 620113-73-7)
- Tirabrutinib, >98% (HPLC) (CAS 1351636-18-4)
- 1-Azabicyclo[3.3.1]nonane-2,6-dione (CAS 126144-69-2)
- 5-Bromo-2-chloropyridine-3-sulfonamide (CAS 1250699-72-9)
- Ammonium acrylate (CAS 9003-03-6)
- 3-Bromo-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-d][1,4]diazepine hydrochloride (CAS 1379370-40-7)
- 3,5-DImethyl-4-[(e)-phenyldiazenyl]phenol (CAS 1778-71-8)
- Phenyl(2H-tetrazol-5-yl)methanamine (CAS 95898-94-5)
- 3AEEA-Semaglutide(Endo-AEEA-Semaglutide) (CAS CATO-C4X-2226265)
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 13829788188 / jacky.chen@cato-chem.com