5-Amino-1-(5-chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one CAS 1416341-68-8
| CAS No. | 1416341-68-8 |
| Molecular Formula | C12H10ClN5O |
| Molecular Weight | 275.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Amino-1-(5-chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Amino-1-(5-chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416341-68-8) is a high-purity analytical reference standard with the molecular formula C12H10ClN5O and a molecular weight of 275.69 g/mol.
Based on its molecular formula C12H10ClN5O, 5-Amino-1-(5-chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 275.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 5-Amino-1-(5-chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-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 | C12H10ClN5O |
| Molecular Weight | 275.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Amino Standards
- 4-Amino-2-(6-chlorooxazolo[5,4-b]pyridin-2-yl)-6-methylphenol (CAS 1354778-27-0)
- 5-Amino-1-(3-chloro-2-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1416344-69-8)
- 5-Amino-1-(3-chloro-4-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1416345-70-4)
- 4-Amino-1-((2R,3R,4S,5S)-5-(chloromethyl)-3,4-dihydroxytetrahydrofuran-2-yl)-5-methylpyrimidin-2(1H)-one (CAS 2355288-62-7)
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Recommended Standards
- 7-(3-Chlorobenzyl)-3-methylisoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 1361003-90-8)
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- Ethyl 4-Chloropyrimido[5,4-B]Indolizine-5-Carboxylate (CAS 1422344-16-8)
- 4-(4-Chlorophenyl)-3,6-dimethylisoxazolo[3,4-d]pyridazin-7(6H)-one (CAS 135126-70-4)
- 3-((2-Chlorophenoxy)methyl)-1,2,4-oxadiazole-5-carbohydrazide (CAS 683274-55-7)
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- (S)-2-((tert-Butoxycarbonyl)amino)-3-(2,3,4-trifluorophenyl)propanoic acid (CAS 324028-24-2)
- 6-Hydroxy-5-((5-methoxy-1-(phenylsulfonyl)-1H-indol-3-yl)methyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 1185163-68-1)
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