2,4-Diaminopyrimidine-5-carbaldehyde CAS 20781-06-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20781-06-0 |
| Molecular Formula | C5H6N4O |
| Molecular Weight | 138.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Diaminopyrimidine-5-carbaldehyde (CAS 20781-06-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6N4O. Molecular weight: 138.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6N4O |
| Molecular Weight | 138.13 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
Related Diaminopyrimidine Standards
- 2,6-Diaminopyrimidine-4-carbaldehyde (CAS 109138-03-6)
- 4,6-Diaminopyrimidine-5-carbonitrile (CAS 109831-70-1)
- 5,6-Diaminopyrimidine-4-carbonitrile (CAS 1208986-24-6)
- 2,4-Diaminopyrimidine-5-carbonitrile (CAS 16462-27-4)
- 2,5-Diaminopyrimidine-4,6-diol (CAS 40769-69-5)
- 4,6-Diaminopyrimidine-2(1H)-thione (CAS 1004-39-3)
- 5,6-Diaminopyrimidine-2(1H)-thione (CAS 14623-58-6)
- 2,6-Diaminopyrimidine-4(1H)-thione (CAS 56-08-6)
Recommended Standards
- 1-(Pyrimidin-2-yl)urea (CAS 33561-08-9)
- 2-Aminobenzoic acid 13C (CAS 335080-98-3)
- 1-(Pyrazin-2-yl)urea (CAS 86525-14-6)
- (S)-2-((1H-Imidazol-4-yl)methyl)-2-amino-3-fluoropropanoic acid (CAS 73804-75-8)
- Methyl 2-(3-hydroxy-3-methylbutyl)-5-nitro-2H-indazole-7-carboxylate (CAS 2412105-01-0)
- 3-(4-Bromo-2-fluorophenyl)-2-methylpropanoic acid (CAS 1247888-93-2)
- (R)-2-((1-Benzylpyrrolidin-3-yl)(isopropyl)amino)acetic acid (CAS 1354007-26-3)
- ethyl 6-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 1005209-44-8)
- 2-(2-(Ethylamino)-6,7-dimethoxyquinazolin-4-yl)hydrazinecarboxamide (CAS 134749-35-2)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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