1-(4-Aminophenyl)-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one CAS 1050884-19-9
| CAS No. | 1050884-19-9 |
| Molecular Formula | C11H9N5O |
| Molecular Weight | 227.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-(4-Aminophenyl)-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1050884-19-9), a certified reference material (molecular formula C11H9N5O, MW 227.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9N5O, 1-(4-Aminophenyl)-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 227.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9N5O |
| Molecular Weight | 227.22 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 5 |
Related Aminophenyl Standards
- 1-(2-Aminophenyl)-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1087784-31-3)
- 3-(4-Aminophenyl)-1-phenylurea (CAS 10141-46-5)
- 2-(4-Aminophenyl)-6-cyclopropylpyrimidin-4(3h)-one (CAS 1284492-92-7)
- (3-Aminophenyl)(4-methoxyphenyl)methanone (CAS 62261-35-2)
- 3-(2-Aminophenyl)-1-phenylurea (CAS 57709-64-5)
- N-(3-aminophenyl)-N’-phenylurea (CAS 66695-96-3)
- N-(4-Aminophenyl)benzohydrazide (CAS 63402-27-7)
- 2-((4-Aminophenyl)thio)nicotinonitrile (CAS 1221791-63-4)
Recommended Standards
- 4-(5-Phenyl-1,3,4-oxadiazol-2-yl)-1H-pyrazol-3-amine (CAS 104699-64-1)
- 3-Phenylbenzo[d]isoxazole-5,6-diol (CAS 105679-42-3)
- methyl 5-(2-cyanophenyl)-1H-pyrazole-3-carboxylate (CAS 1035235-09-6)
- tert-Butyl 2-amino-5,5,5-trifluoropentanoate (CAS 107871-20-5)
- 2-(Azetidin-1-yl)ethanamine hydrochloride (CAS 1956307-94-0)
- 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole (CAS 16502-01-5)
- 2-(2,5-Dimethoxyphenyl)-1H-indole-3-carbaldehyde (CAS 1082467-33-1)
- Tamsulosin Impurity 13 (CAS CATO-C4X-118713)
- (3-Bromo-2-methylprop-1-en-1-yl)benzene (CAS 1282061-69-1)
- 2,6-Dichloro-3-fluorobenzoylacetonitrile (CAS 914636-65-0)
- N-(3,4-dichlorophenyl)-N-(phenylsulfonyl)glycine (CAS 327982-88-7)
- 3-Fluoro-2-(trifluoromethyl)benzylamine (CAS 771581-62-5)
- tert-Butyl 6-amino-5-oxo-1,4-diazepane-1-carboxylate (CAS 1779476-17-3)
- Neuropeptide S (human) (CAS 412938-67-1)
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