Acetic acid;pyrimidin-5-ol CAS 1638764-94-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1638764-94-9 |
| Molecular Formula | C4H4N2O C2H4O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Acetic acid;pyrimidin-5-ol (CAS 1638764-94-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4N2O C2H4O2. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4N2O C2H4O2 |
| Molecular Weight | 156.14 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-Bromo-1-propyl-1H-pyrazole-4-carboxylic acid (CAS 1707571-19-4)
- thiazolo[5,4-d]thiazole-2,5-dicarboxylic acid (CAS 27492-59-7)
- 1-DEoxy-1-(2,3-dihydro-7,8-dimethyl-1,3-dioxobenzo[b][1,6]naphthyridin-5(1H)-yl)-D-ribitol (CAS 65176-88-7)
- 1189661-61-7 4-Fluorophenethyl Bromide-d4 (CAS 1189661-61-7)
- 3-azidoazepan-2-one (CAS 33693-60-6)
- N-methyl-1-(4-methyl-2-phenyloxazol-5-yl)methanamine (CAS 1031843-28-3)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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