Dimethyl 5-oxo-5,6-dihydropyrazolo[1,5-c]quinazoline-1,2-dicarboxylate CAS 41940-24-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 41940-24-3 |
| Molecular Formula | C14H11N3O5 |
| Molecular Weight | 301.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Dimethyl 5-oxo-5,6-dihydropyrazolo[1,5-c]quinazoline-1,2-dicarboxylate (CAS 41940-24-3) pharmaceutical standards reference standard. Molecular formula: C14H11N3O5. Molecular weight: 301.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C14H11N3O5 |
| Molecular Weight | 301.25 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.) | 1968 |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
- Ethyl 2-(3,6-dimethyl-4-(trifluoromethyl)-1h-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1011370-71-0)
- N-(5,5-Dimethyl-2-Oxooxolan-3-yl-4-(Trifluoromethyl)Benzamide (CAS 77694-32-7)
- N-(5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-fluorobenzamide (CAS 1170049-33-8)
- N-(5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-2-fluorobenzamide (CAS 1171368-15-2)
- 1,2-Dimethyl-4-oxo-6-(trifluoromethoxy)-1,4-dihydroquinoline-3-carboxylic acid (CAS 1958082-61-5)
- N-(5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-1-ethyl-1H-pyrazole-3-carboxamide (CAS 1169972-71-7)
- (E)-4-((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-4-oxobut-2-enoic acid (CAS 649553-97-9)
- 4,4-dimethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydroisoquinolin-1-one (CAS 1396777-60-8)
Recommended Standards
- Bis((4-chlorophenyl)thio)methane (CAS 2393-97-7)
- Methyl 2-(3-formylphenoxy)-5-nitrobenzoate (CAS 886360-75-4)
- 4-Nitrophenyl β-D-mannopyranoside (CAS 35599-02-1)
- N-Benzyl-N,N-diethylethanaminium chloride hydrate (CAS 207124-62-7)
- 1-(2-Methoxyphenyl)propan-1-amine (CAS 101290-65-7)
- 1-(Trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 112037-78-2)
- Rasagiline impurity 58 (CAS CATO-C4X-191358)
- 5H-Benzo[4,5]thieno[3,2-c]carbazole (CAS 1255308-97-4)
- Methyl 3-amino-1-cyano-1-phenyl-1H-indene-2-carboxylate (CAS 116617-18-6)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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