5-Amino-3H-pyrazolo[4,3-d]pyrimidin-7(4H)-one CAS 369598-74-3
| CAS No. | 369598-74-3 |
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Amino-3H-pyrazolo[4,3-d]pyrimidin-7(4H)-one (CAS 369598-74-3), molecular formula C5H5N5O and molecular weight 151.13 g/mol, is a CATO reference standard with documented purity and traceability.
5-Amino-3H-pyrazolo[4,3-d]pyrimidin-7(4H)-one (C5H5N5O) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-Amino-3H-pyrazolo[4,3-d]pyrimidin-7(4H)-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 | C5H5N5O |
| Molecular Weight | 151.13 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 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Related Amino Standards
- N-(2-amino-6-oxo-3,6-dihydropyrimidin-4-yl)cyanamide (CAS 1255147-74-0)
- 2-Amino-4-cyano-5-imidazolecarboxamide (CAS 125815-68-1)
- 4-Amino-2H-pyrazolo[3,4-d]pyrimidin-3(5H)-one (CAS 128850-54-4)
- 2-Amino-[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one (CAS 1339754-88-9)
- 3-amino-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 15908-68-6)
- 2-Amino-2H-purin-6-ol (CAS 914452-04-3)
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Recommended Standards
- 5-Amino-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 41535-76-6)
- 5-Methyl-[1,2,4]triazolo[4,3-a][1,3,5]triazin-7(1H)-one (CAS 200350-23-8)
- 5-Amino-1H-[1,2,3]triazolo[4,5-b]pyridin-7(4H)-one (CAS 60282-60-2)
- 5-Methyltetrazolo[1,5-a]pyrimidin-7(3H)-one (CAS 6628-20-2)
- 5-Iodo-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid (CAS 1454301-51-9)
- Methyl 1-((2,4-dimethylphenoxy)methyl)-1h-pyrazole-3-carboxylate (CAS 1001500-23-7)
- 3-(Ethoxycarbonyl)-5-methyl-1-(2-methylphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264045-32-0)
- N2-cyclohexyl-6-hydrazinyl-N4-phenyl-1,3,5-triazine-2,4-diamine (CAS 228574-92-3)
- 1-Boc-3-Cbz-amino-piperidine-3-carboxylic acid (CAS 885270-27-9)
- 211184-89-3 2-(2-Chloro-phenoxy)-propionyl chloride MFCD02295754 (CAS 211184-89-3)
- 2-Oxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 1748-63-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com