4-Aminopyrimidine-5-carboxylic Acid CAS 20737-41-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20737-41-1 |
| Molecular Formula | C5H5N3O2 |
| Molecular Weight | 139.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Aminopyrimidine-5-carboxylic Acid (CAS 20737-41-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5N3O2. Molecular weight: 139.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5N3O2 |
| Molecular Weight | 139.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Related Aminopyrimidine Standards
- 2-Aminopyrimidine-5-carboxylic Acid (CAS 3167-50-8)
- 4-Aminopyrimidine-2-carboxylic acid (CAS 933703-11-8)
- 5-Aminopyrimidine-2-carboxylic Acid (CAS 56621-98-8)
- 6-Aminopyrimidine-4-ethanol (CAS 1557697-88-7)
- 2-Aminopyrimidine-4-carboxamide (CAS 1823879-58-8)
- 2-Aminopyrimidine-5-carboxamide (CAS 5388-17-0)
- 4-Aminopyrimidine-5-carboxamide (CAS 4786-51-0)
- 6-Aminopyrimidine-4-carboxamide (CAS 81333-07-5)
Recommended Standards
- 4-Formyl-1H-pyrazole-3-carboxamide (CAS 84999-41-7)
- 4-Aminopyridazine-3-carboxylic Acid (CAS 20865-29-6)
- 4-Formylpyrrole-2-carboxylic Acid (CAS 7126-53-6)
- 2-(4-Aminophenethyl)-1H-benzo[d]imidazol-5-amine (CAS 320740-70-3)
- Methyl 4-chloro-6-methylpyrimidine-5-carboxylate (CAS 157981-59-4)
- Spiro[[1,3]dioxolane-2,1'-indene] (CAS 6710-43-6)
- 1-(1,1-Difluoro-2-hydroxy-2-phenylethyl)-4-(dimethylamino)pyridin-1-ium bromide (CAS 368873-76-1)
- 1119452-20-8 [5-(1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-3-yl]-methylamine hydrochloride (CAS 1119452-20-8)
- 1-(2-Chloro-6-methyl-4-nitrophenyl)-1H-pyrrole (CAS 860650-90-4)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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