7-oxo-1,6-dihydropyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 13958-53-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13958-53-7 |
| Molecular Formula | C6H10N4O3 |
| Molecular Weight | 186.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-oxo-1,6-dihydropyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 13958-53-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H10N4O3. Molecular weight: 186.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H10N4O3 |
| Molecular Weight | 186.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 4 |
Related oxo Standards
- ethyl 2,3-dihydropyrazolo[5,1-b]oxazole-6-carboxylate (CAS 623565-48-0)
- 2-Methyl-4,5-dihydropyrazolo[1,5-a]quinoxaline (CAS 193151-04-1)
- 6-oxo-1,7-dihydropyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1516809-63-4)
- 7,8-Dihydropyrazolo[5,1-b]quinazolin-5(6H)-one (CAS 1428139-25-6)
- 8,9-DIhydropyrazolo[1,5-a]quinazolin-6(7h)-one (CAS 612064-76-3)
- 2-(6-Methyl-2,3-dihydropyrazolo[5,1-b]oxazol-7-yl)acetic acid (CAS 1784855-91-9)
- 6-Ethyl-2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylic acid (CAS 1935125-31-7)
- Ethyl 2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylate (CAS 2073912-30-6)
Recommended Standards
- 4-Cyano-1H-indole-2-carboxylic acid (CAS 1369142-21-1)
- 4-Cyano-1H-indole-6-carboxylic acid (CAS 1427502-44-0)
- 3-Cyano-1h-indole-6-carboxylic acid (CAS 1360958-85-5)
- 4-acetamidobut-2-enoic acid (CAS 64120-63-4)
- 4-(2-Methylbenzyl)piperidine hydrochloride (CAS 782504-67-0)
- 2-((2,3-Dihydrobenzofuran-7-yl)oxy)propan-1-amine (CAS 744977-17-1)
- 4-Fluoro-2-(methylsulfonyl)pyridine (CAS 1207613-69-1)
- tert-butyl 3-fluoropyrrole-1-carboxylate (CAS 475561-79-6)
- (4-(3,4-Dimethylphenyl)piperazin-1-yl)(pyrrolidin-1-yl)methanone (CAS 708221-58-3)
- [His]1-Acetylated Semaglutide (CAS CATO-C4X-2226219)
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