4-Oxo-1,4-dihydropyrimido[1,2-b]indazole-2-carboxylic acid CAS 92663-38-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 92663-38-2 |
| Molecular Formula | C11H7N3O3 |
| Molecular Weight | 229.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-1,4-dihydropyrimido[1,2-b]indazole-2-carboxylic acid (CAS 92663-38-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7N3O3. Molecular weight: 229.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H7N3O3 |
| Molecular Weight | 229.19 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 3 |
Related Oxo Standards
- 7-Propyl-1,7-dihydropyrimido[4,5-d]pyrimidine-2,4,7-triamine (CAS 118801-61-9)
- (4-Oxo-1,4-dihydropyrimido[1,2-a]benzimidazol-2-yl)acetic acid (CAS 940980-97-2)
- 2-((1,2-Dihydropyrimido[5,4-e][1,2,4]triazin-5-yl)thio)acetonitrile (CAS 21308-94-1)
- 1,6-Dihydropyrimido[4,5-g]pteridine-2,4,7,9(3H,8H)-tetraone (CAS 116055-86-8)
- 3,4-Dihydropyrimido[2,1-a]isoindol-6(2H)-one (CAS 22641-00-5)
- 7-Methyl-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one (CAS 66840-33-3)
- 5,6-Dihydropyrimido[5,4-e][1,2,4]triazin-5-ol (CAS 205926-63-2)
- 5,6-Dihydropyrimido[4,5-d]pyrimidin-2-ol (CAS 120267-08-5)
Recommended Standards
- 4-Hydroxy-7-methyl-6-nitroquinoline-3-carbonitrile (CAS 919482-00-1)
- 5-(2-Benzofuryl)isoxazole-3-carboxylic Acid (CAS 5776-98-7)
- 3-Phenyl-2H-oxazolo[3,2-a][1,3,5]triazine-2,4(3H)-dione (CAS 35629-60-8)
- 1-(4-(2-Methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)piperidine-4-carboxylic acid (CAS 1713174-92-5)
- (E)-ethyl 3-nitroacrylate (CAS 5941-50-4)
- 5-Oxo-L-prolyl-L-proline (CAS 7652-89-3)
- 1-Bromo-4-(methylsulfonyl)butane (CAS 18225-56-4)
- 1-(Tetrahydro-2H-pyran-4-yl)cyclopropane-1-carboxylic acid (CAS 1447944-17-3)
- 4-Methoxy-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 439109-76-9)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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