7-Aminopyrazolo[1,5-a]pyrimidin-5(4H)-one CAS 89418-10-0
| CAS No. | 89418-10-0 |
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 7-Aminopyrazolo[1,5-a]pyrimidin-5(4H)-one (C6H6N4O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 150.14 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
7-Aminopyrazolo[1,5-a]pyrimidin-5(4H)-one (CAS 89418-10-0), molecular formula C6H6N4O and molecular weight 150.14 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
Related Aminopyrazolo Standards
- 3-Aminopyrazolo[1,5-a]pyrimidin-5(4H)-one (CAS 201599-20-4)
- 5-Aminopyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 96335-42-1)
- 6-Aminopyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 78666-77-0)
- 6-Aminopyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 463327-79-9)
- 7-Aminopyrazolo[1,5-a]pyrimidin-2(1H)-one (CAS 856587-85-4)
- 3-Aminopyrazolo[1,5-a]pyridin-4-ol (CAS 340961-96-8)
- 3-Aminopyrazolo[1,5-a]pyridin-5-ol (CAS 340961-95-7)
- 3-Aminopyrazolo[1,5-a]pyridin-6-ol (CAS 340961-97-9)
Recommended Standards
- 7-Deazaguanine (CAS 7355-55-7)
- 7-Aminoimidazo[1,2-c]pyrimidin-5(1H)-one (CAS 252230-10-7)
- 7-Methyl-1H-pyrazolo[1,5-a][1,3,5]triazin-2-one (CAS 2140305-45-7)
- 7-Amino-1H-imidazo[4,5-c]pyridin-2(3H)-one (CAS 784999-93-5)
- 1-(Difluoromethyl)-4-(dimethylamino)pyridin-1-ium bromide (CAS 175880-30-5)
- Ethyl (R)-4-(3-fluoro-2-methylphenyl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate (CAS 2446324-22-5)
- 5-(1-(Ethylsulfonyl)piperidin-3-yl)-4-propyl-4H-1,2,4-triazole-3-thiol (CAS 932918-82-6)
- Methyl 2-fluoro-4-((methylsulfonyl)methyl)benzoate (CAS 1698343-30-4)
- 4,6-Dimethylpyrimidine-2-thiol hydrochloride (CAS 28176-16-1)
- (R)-2-Amino-3-((methylsulfonyl)thio)propanoic acid hydrochloride (CAS 37556-48-2)
- 4,4'-Bis(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)biphenyl (CAS 5487-93-4)
- N-(4-Pyrrolidin-1-yl-phenyl)-succinamic acid (CAS 510723-50-9)
- 7-Iodooxindole, 97% (CAS 31676-49-0)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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