2-Amino-6-chloropyrimidin-4(1H)-one hydrate(1:x) CAS 206658-81-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 206658-81-3 |
| Molecular Formula | C4H4ClN3O H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-6-chloropyrimidin-4(1H)-one hydrate(1:x) (CAS 206658-81-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4ClN3O H2O. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4ClN3O H2O |
| Molecular Weight | 163.56 g/mol |
| Appearance | 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2016 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 3-Amino-1-methyl-4-phenoxyindazole (CAS 1000018-07-4)
- 3-Amino-2,6-dibromo-5-ethoxypyridine (CAS 1000018-10-9)
- Methyl 2-amino-5-bromo-4-isopropylbenzoate (CAS 1000018-13-2)
- Methyl 2-amino-3-(pyridin-2-yl)propanoate (CAS 100002-84-4)
- 100005-23-0 2-Amino-4-(4-methoxyphenyl)-5-methylthiophene-3-carbonitrile 7050AC C13H12N2OS (CAS 100005-23-0)
- Methyl 1-amino-4-cyano-1H-pyrrole-2-carboxylate (CAS 1000313-12-1)
- 6-Amino-7-hydroxy-2,3-dihydro-1H-inden-1-one hydrobromide (CAS 1000333-87-8)
- 6-Amino-7-iodo-2,3-dihydro-1H-inden-1-one (CAS 1000333-93-6)
Recommended Standards
- 1-(1-Methyl-1h-indazol-3-yl)propan-2-ol (CAS 1518136-04-3)
- (4-(5-Chlorobenzo[d]oxazol-2-yl)morpholin-2-yl)methanamine dihydrochloride (CAS 1609407-48-8)
- (R)-1-(4-ethylphenyl)pentan-1-amine (CAS 1213495-21-6)
- 4-Hydroxy-3-nitro-1,5-naphthyridine (CAS 85938-78-9)
- Tert-butyl 6-(pyridin-2-yl)-7-oxa-3-azabicyclo[4.1.0]Heptane-3-carboxylate (CAS 1638529-40-4)
- 7-(4-Methoxyphenyl)-3,4-dihydro-1H-1,4-diazepin-5(2H)-one (CAS 3295-04-3)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
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