5-Cyclopentyl-7-oxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1781934-11-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1781934-11-9 |
| Molecular Formula | C11H12N4O3 |
| Molecular Weight | 248.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Cyclopentyl-7-oxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1781934-11-9) pharmaceutical standards reference standard. Molecular formula: C11H12N4O3. Molecular weight: 248.24 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H12N4O3 |
| Molecular Weight | 248.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Cyclopentyl Standards
- 3-Cyclopentyl-5-(1-hydroxyethyl)-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 1353505-29-9)
- Methyl 3-Cyclopentyl-3-(3-hydroxyphenyl)propanoate (CAS 1864064-93-6)
- 1-cyclopentyl-2-(4-ethoxyphenoxy)ethan-1-one (CAS 1909324-71-5)
- N-Cyclopentyl-2-(methylthio)-1H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 54532-49-9)
- Cyclopentyl(1-(phenylthio)cyclopropyl)methanol (CAS 1956334-92-1)
- Cyclopentyl 2-(2-thiomethylphenyl)ethyl ketone (CAS 898780-71-7)
- Cyclopentyl 2-(4-thiomethylphenyl)ethyl ketone (CAS 898781-91-4)
- 1-Cyclopentyl-3-(trifluoromethyl)pyrazole-4-boronic acid (CAS 2304634-13-5)
Recommended Standards
- Methyl 9-oxo-4,5,6,7,8,9-hexahydropyrazolo[1,5-a]pyrido[4,3-d]pyrimidine-3-carboxylate (CAS 1708370-44-8)
- 3,6-Dihydro-2H-thiopyran-4-yl trifluoromethanesulfonate (CAS 181180-42-7)
- 3-(7-Cyclopropyl-8-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)propanoic acid (CAS 1707735-50-9)
- 6-Phenyl-2,3-dihydroimidazo[2,1-b]thiazole-5-carbonitrile (CAS 83253-38-7)
- 2-Bromo-4,6-difluorophenyl isothiocyanate (CAS 224032-82-0)
- N-[4-(Chloromethyl)-1,3-thiazol-2-yl]pyrimidin-2-amine hydrochloride (CAS 1351623-03-4)
- 6-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3-oxobutan-2-yl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625376-57-0)
- Cefotiam Impurity 27 (CAS CATO-C4X-120427)
- 2-(4-Nitrophenylamino)ethyl methanesulfonate (CAS 100418-51-7)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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