4,6-Dihydroxy-5-nitropyrimidine CAS 2164-83-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2164-83-2 |
| Molecular Formula | C4H3N3O4 |
| Molecular Weight | 157.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Dihydroxy-5-nitropyrimidine (CAS 2164-83-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3N3O4. Molecular weight: 157.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3N3O4 |
| Molecular Weight | 157.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1957 |
| Nitrogen Atoms | 3 |
Related Dihydroxy Standards
- 2,4-Dihydroxy-3-nitropyridine (CAS 89282-12-2)
- Dihydroxy-1,2,4-triazine-6-carboxamide (CAS 89032-88-2)
- 1-Ethyl-4,4-dihydroxy-3-methyl-1H-pyrazol-5(4H)-one (CAS 221325-61-7)
- 4,4-Dihydroxy-1-isopropyl-1H-pyrazol-5(4H)-one (CAS 221325-76-4)
- 2,2-Dihydroxy-1-(thiophen-2-yl)ethan-1-one (CAS 138380-43-5)
- 4,6-Dihydroxy-2-methylthiopyrimidine (CAS 1979-98-2)
- 4,6-Dihydroxy-2-methylpyrimidine-5-carbaldehyde (CAS 14160-85-1)
- 2,4-Dihydroxy-2,5-dimethylthiophen-3(2H)-one (CAS 96504-28-8)
Recommended Standards
- 3-Nitro-1H-pyrazole-5-carboxylic acid (CAS 925646-13-5)
- 4-Hydroxy-2-nitrofuran-3-carbaldehyde (CAS 263144-34-9)
- 3-Nitro-1h-pyrazole-4-carboxylic acid (CAS 39196-96-8)
- 3-(Trifluoromethyl)-N-{[3-(trifluoromethyl)phenyl]methyl}benzamide (CAS 303145-01-9)
- (E)-[(2,6-Dichlorophenyl)methoxy]({6-[(4-methylphenyl)sulfanyl]imidazo[2,1-b][1,3]thiazol-5-yl}methylidene)amine (CAS 339022-99-0)
- 9-Benzyl-8-methyl-1,4,9-triazaspiro[5.5]Undecan-5-one (CAS 2387595-53-9)
- Dapsone Impurity N8 (CAS 119-59-5)
- Celecoxib (CAS 169590-42-5)
- K 579 (CAS 440100-64-1)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
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