8H-Purine CAS 273-28-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 273-28-9 |
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8H-Purine (CAS 273-28-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4N4. Molecular weight: 120.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related H Standards
Recommended Standards
- 7H-Pyrazolo[4,3-d]pyrimidine (CAS 272-53-7)
- 7H-Pyrazolo[3,4-b]pyrazine (CAS 399-62-2)
- Furo[2,3-d]pyrimidine (CAS 272-02-6)
- N-(4-Oxo-6-phenylthieno[2,3-d]pyrimidin-3(4H)-yl)formamide (CAS 111849-30-0)
- 3-(2-Bromophenyl)butanoic acid (CAS 66192-08-3)
- (4-Cyclopropoxy-2-isopropoxypyridin-3-yl)methanamine (CAS 1243322-70-4)
- 2-(1H-Benzo[d][1,2,3]triazol-1-yl)-N-(thiazol-2-yl)acetamide (CAS 370078-47-0)
- 2-Hexyldecan-1-amine (CAS 62281-05-4)
- 3-(P-tolyl)-1-(3-(trifluoromethyl)phenyl)propan-1-one (CAS 898769-01-2)
- Calcineurin Autoinhibitory Peptide (CAS 148067-21-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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