1H-pyrazolo[4,3-d]pyrimidine CAS 272-57-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 272-57-1 |
| Molecular Formula | C5H12N4 |
| Molecular Weight | 128.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1H-pyrazolo[4,3-d]pyrimidine (CAS 272-57-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H12N4. Molecular weight: 128.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H12N4 |
| Molecular Weight | 128.18 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) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-pyrazolo[3,4-d]pyrimidine (CAS 271-80-7)
- 2H-pyrazolo[3,4-c]pyridine (CAS 271-45-4)
- 2H-pyrazolo[4,3-c]pyridine (CAS 271-50-1)
- pyrazolo[1,5-a]pyrimidine (CAS 274-71-5)
- 1H-Pyrazolo[3,4-c]pyridine 271-47-6 MFCD00661308 SY005397 (CAS 271-47-6)
- 1H-Pyrazolo[4,3-c]pyridine 271-52-3 MFCD11846327 SY028040 (CAS 271-52-3)
- Pyrazolo[4,3-b]pyridine 272-52-6 MFCD08234560 SY008431 (CAS 272-52-6)
- 1H-Pyrazolo[3,4-d]thiazole (CAS 7489-62-5)
Recommended Standards
- 1-Methyl-2-(1-methylhydrazinyl)-4,5-dihydro-1H-imidazole (CAS 775271-24-4)
- 1-Ethyl-2-hydrazinyl-4,5-dihydro-1H-imidazole (CAS 735224-70-1)
- 2,5,5-Trimethyl-2,5-dihydro-1H-1,2,4-triazol-3-amine (CAS 773810-77-8)
- 3-Phenyl-2H,4H-indeno[1,2-c]pyrazol-4-one (CAS 1020252-40-7)
- Benzyl ((1-(2-chloroacetyl)pyrrolidin-3-yl)methyl)(methyl)carbamate (CAS 1353946-28-7)
- 6-Oxo-N-phenyl-1-(3-(trifluoromethyl)benzyl)-1,6-dihydropyridine-3-carboxamide (CAS 338783-63-4)
- ethyl 8-bromoimidazo[1,5-a]pyridine-1-carboxylate (CAS 1363382-16-4)
- n-(4-Acetylphenyl)-2-nitrobenzamide (CAS 150483-49-1)
- n-(1-(3-Chlorophenyl)ethyl)cyclopentanamine (CAS 1019532-79-6)
- Peptide 442 (CAS CATO-CPTD788442)
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 13829788188 / jacky.chen@cato-chem.com