2,4-Diamino-6-chloropyrimidine-5-carbaldehyde CAS 18740-20-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18740-20-0 |
| Molecular Formula | C5H5ClN4O |
| Molecular Weight | 172.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,4-Diamino-6-chloropyrimidine-5-carbaldehyde (CAS 18740-20-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5ClN4O. Molecular weight: 172.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN4O |
| Molecular Weight | 172.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Diamino Standards
- 81927-47-1 1,2-Diamino-4,5-ethylenedioxybenzene 1,4-Benzodioxin-6,7-diamine, 2,3-dihydro- DEDB 2,3-Dihydro-1,4-benzodioxin-6,7-diamine (CAS 81927-47-1)
- 5,6-Diamino-1-methyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one (CAS 875-41-2)
- 5,6-Diamino-2-(methylthio)pyrimidin-4(3H)-one (CAS 54030-57-8)
- 4,6-Diamino-2-mercapto-5-nitrosopyrimidine (CAS 59150-27-5)
- 2-((4,6-Diamino-1,3,5-triazin-2-yl)oxy)ethanol (CAS 84522-07-6)
- 2,4-Diamino-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 166047-40-1)
- 2,6-Diamino-3-ethylpyrimidine-4(3H)-thione (CAS 145864-34-2)
- 2-(4,5-Diamino-3-ethyl-1H-pyrazol-1-yl)ethanol (CAS 1710854-22-0)
Recommended Standards
- 3-Chloro-6-oxo-1,6-dihydropyridine-2-carboxamide (CAS 1823895-72-2)
- 4-Chloro-3-hydroxypicolinamide (CAS 1876356-97-6)
- 3-Amino-5-chloropyrazine-2-carboxamide (CAS 1823889-69-5)
- (S)-tert-Butyl 4-((2-amino-N-cyclopropyl-3-methylbutanamido)methyl)piperidine-1-carboxylate (CAS 1353997-66-6)
- 1-[5-(2-Thienyl)-1H-pyrazol-3-yl]methanamine (CAS 859850-80-9)
- Donepezil Impurity 57 (CAS 220170-73-0)
- 1-Methyl-2-(piperidin-4-yloxy)-1H-benzo[d]imidazole hydrochloride (CAS 1185311-04-9)
- N-(2-Methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(m-tolyl)acetamide (CAS 1797679-49-2)
- 4-ethoxy-1,1,1-trifluoro-3-buten-2-one (CAS 17129-06-5)
- Q-Peptide trifluoroacetate salt (CAS 1361235-89-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com