3-(4-Methyl-1-oxophthalazin-2(1H)-yl)benzoic acid CAS 296790-56-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 296790-56-2 |
| Molecular Formula | C16H12N2O3 |
| Molecular Weight | 280.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(4-Methyl-1-oxophthalazin-2(1H)-yl)benzoic acid (CAS 296790-56-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H12N2O3. Molecular weight: 280.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H12N2O3 |
| Molecular Weight | 280.28 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 4-(4-Methyl-1-oxophthalazin-2(1H)-yl)benzoic acid (CAS 306731-76-0)
- 2-(4-Benzyl-1-oxophthalazin-2(1H)-yl)acetic acid (CAS 114897-85-7)
- 4-(1-Oxophthalazin-2(1H)-yl)benzoic acid (CAS 859300-33-7)
- 2-(1-Oxophthalazin-2(1H)-yl)butanehydrazide (CAS 618442-01-6)
- Ethyl 2-(1-oxophthalazin-2(1H)-yl)acetate (CAS 18584-72-0)
- 2-(4-Ethyl-1-oxophthalazin-2(1H)-yl)acetic acid (CAS 298682-27-6)
- 2-(4-Methyl-1-oxophthalazin-2(1H)-yl)propanoic acid (CAS 332886-32-5)
- 3-(1-Oxophthalazin-2(1H)-yl)propanehydrazide (CAS 618442-00-5)
Recommended Standards
- 3-((1-Oxo-1,2-dihydroisoquinolin-3-yl)amino)benzoic acid (CAS 500198-66-3)
- 3-(4-Nitrophenyl)-1-phenyl-1h-pyrazol-5-amine (CAS 926240-77-9)
- 2-Methyl-3,3,4,4,5,5,6,6-octafluoro-2-hexanol (CAS 2673-15-6)
- 3-(Trifluoromethoxy)isonicotinaldehyde (CAS 1361769-59-6)
- 5-Cyclopropoxy-4-sulfamoylpicolinamide (CAS 1243326-94-4)
- Methyl 2-amino-4-(4-bromophenyl)-1,3-thiazole-5-carboxylate (CAS 1284363-17-2)
- tert-butyl 3-(iodomethyl)-3-methoxy-piperidine-1-carboxylate (CAS 1699313-26-2)
- N-(4-Methoxyphenyl)-2-oxo-2H-chromene-3-carboxamide (CAS 1846-94-2)
- Ethyl 4-(diethylamino)-2,6-diphenylpyrimidine-5-carboxylate (CAS 823792-85-4)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
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