Methyl 3-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)propanoate CAS 131426-28-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 131426-28-3 |
| Molecular Formula | C15H18N2O5 |
| Molecular Weight | 306.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)propanoate (CAS 131426-28-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H18N2O5. Molecular weight: 306.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H18N2O5 |
| Molecular Weight | 306.31 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 4-(4,7-Dimethoxy-1H-indole-2-carboxamido)butanoic acid (CAS 903204-96-6)
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- Ethyl 3-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)propanoate (CAS 247573-03-1)
- 3,4-Dimethoxy-N-(3-(2-oxopyrrolidin-1-yl)propyl)benzamide (CAS 832117-59-6)
- (2,5-Dimethoxy-4-nitrophenyl)(p-tolyl)sulfane (CAS 85896-13-5)
- 2-((4,6-Dimethoxy-5-nitropyrimidin-2-yl)amino)ethanesulfonamide (CAS 918445-46-2)
- Ethyl 2-(5,8-dimethoxy-2-methyl-4-oxoquinolin-1(4H)-yl)acetate (CAS 1216394-62-5)
- 4,5-Dimethoxy-2-[(thiophene-2-carbonyl)-amino]-benzoic acid (CAS 332163-01-6)
Recommended Standards
- 3-(Ethoxycarbonyl)-1-(4-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264049-13-9)
- 2-[3-(3-Methoxy-2,2-dimethyl-3-oxopropyl)-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl]acetic acid (CAS 1353500-01-2)
- 3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264048-30-7)
- (3'-Fluorobiphenyl-3-yl)(methyl)sulfane (CAS 1214363-31-1)
- 6-(Furan-2-yl)-1,3-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 893645-73-3)
- 2-(2-Methoxyphenyl)-1H-benzimidazole (CAS 6528-85-4)
- 5-Iodo-1H-pyrrole-2-carboxylic acid (CAS 149769-81-3)
- 1,4-Difluoro-2-(isocyano(tosyl)methyl)benzene (CAS 668981-01-9)
- 2-Amino-3-(cyclohexyloxy)phenol (CAS 1243284-75-4)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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