4-Hydroxy-2-(3-oxopiperazin-1-yl)pyrimidine-5-carboxylic acid CAS 1355189-53-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1355189-53-5 |
| Molecular Formula | C9H10N4O4 |
| Molecular Weight | 238.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-2-(3-oxopiperazin-1-yl)pyrimidine-5-carboxylic acid (CAS 1355189-53-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H10N4O4. Molecular weight: 238.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H10N4O4 |
| Molecular Weight | 238.20 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Related Hydroxy Standards
- 4-Hydroxy-5-(2-methoxyethoxy)-2-nitrobenzonitrile (CAS 1400188-34-2)
- 4-[Hydroxy(4-nitrophenyl)methyl]-1,3-oxazolidin-2-one (CAS 1451146-79-4)
- 6-(2-Hydroxy-ethyl)-3-methyl-5-oxo-5,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-carboxylic acid (CAS 879058-32-9)
- 3-Hydroxy-7-methoxy-6-methyl-1-oxo-1,3-dihydroisobenzofuran-4-carboxylic acid (CAS 142309-47-5)
- 6-Hydroxy-4,7-dimethoxybenzofuran-5-carboxylic acid (CAS 68094-07-5)
- 2-[(4-Hydroxy-3-methoxyphenyl)methylene]propanedioic acid (CAS 4475-29-0)
- 2-Hydroxy-5-((trifluoromethyl)thio)benzoic acid (CAS 129644-58-2)
- (Hydroxy(naphthalen-2-yl)methyl)phosphonic acid (CAS 132541-52-7)
Recommended Standards
- 3-(2-Methoxy-5-nitrophenyl)oxazolidin-2-one (CAS 1354958-24-9)
- (1E,4Z)-7,7,7-Trifluoro-5-hydroxy-1-methoxy-6,6-dimethylhepta-1,4-dien-3-one (CAS 1357476-62-0)
- Methyl (4-acetyl-3-nitrophenyl)carbamate (CAS 1329171-70-1)
- 2-(((2h-Indazol-7-yl)amino)methyl)phenol (CAS 899366-68-8)
- Thalidomide-PEG4-NH2 (hydrochloride) (CAS 2387510-82-7)
- 1H-Pyrrolo[2,3-c]pyridine-2-carboxamide (CAS 40068-76-6)
- n-Phenyl-2-(phenylcarbamothioyl)acetamide (CAS 13664-05-6)
- (6-Chloro-1H-pyrrolo[2,3-b]pyridin-1-yl)(phenyl)methanone (CAS 143468-11-5)
- 2-[cis-2,6-dimethyl-3,6-dihydro-2H-pyran-4-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1394909-88-6)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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