2H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one CAS 1797409-86-9
| CAS No. | 1797409-86-9 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H4N4O, 2H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 136.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 2H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 1797409-86-9), a certified reference material (molecular formula C5H4N4O, MW 136.11 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-Pyrazolo[3,4-b]pyrazin-3(2H)-one (CAS 116056-01-0)
- 3H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 161746-79-8)
- 1H-Pyrazolo[4,3-d]pyrimidin-7(7aH)-one (CAS 179042-24-1)
- 1H-Pyrazolo[3,4-d]pyrimidin-4(7H)-one (CAS 180749-06-8)
- 1H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-08-0)
- 2H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-09-1)
- 1H-Pyrazolo[1,5-a][1,3,5]triazin-2-one (CAS 2140305-63-9)
- 1H-Pyrazolo[3,4-c]pyridazin-3(2H)-one (CAS 2125-85-1)
Recommended Standards
- Isoxazolo[5,4-b]pyridin-3-ol (CAS 16880-54-9)
- 3,3'-Biisoxazole (CAS 16840-55-4)
- 4-Amino-2-hydroxypyrimidine-5-carbonitrile (CAS 16462-28-5)
- [1,2,4]Triazolo[1,5-a]pyrazin-5-ol (CAS 1823920-17-7)
- 4-Bromo-2-(3,3-dimethyl-2-oxobutyl)-5-(dimethylamino)pyridazin-3(2H)-one (CAS 477860-37-0)
- 5-Amino-1-ethyl-1h-pyrazole-4-carboxamide (CAS 145864-65-9)
- 2-Amino-N-isopropyl-N-((1-methylpyrrolidin-3-yl)methyl)acetamide (CAS 1353960-15-2)
- Ethyl 2-cyclobutyl-7-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1379811-55-8)
- 4-Ethyl-2-(trifluoromethyl)quinoline (CAS 515845-46-2)
- 5-Bromo-6-chloro-pyrazin-2-amine (CAS 173253-42-4)
- Difluocortolone (CAS 2607-06-9)
- 1-Bromo-4-(dibromomethyl)benzene (CAS 62247-77-2)
- 4-(Difluoromethyl)-6-methoxy-5-methylpicolinoyl chloride (CAS 1805551-51-2)
- [3,5 Diiodo-Tyr7] Peptide T (CAS 128551-40-6)
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