2,3-Dihydro-5-hydroxy-1-methyl-3-oxo-1H-pyrazole-4-carboxylic acid CAS 1894809-20-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1894809-20-1 |
| Molecular Formula | C5H6N2O4 |
| Molecular Weight | 158.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,3-Dihydro-5-hydroxy-1-methyl-3-oxo-1H-pyrazole-4-carboxylic acid (CAS 1894809-20-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H6N2O4. Molecular weight: 158.11 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O4 |
| Molecular Weight | 158.11 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 |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- DL-Dihydro-Orotic Acid (CAS 155-54-4)
- 2,3-Dihydro-1H-imidazole-4,5-dicarboxylic acid (CAS 610265-04-8)
- 7-Oxo-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile (CAS 1400683-06-8)
- 2-oxo-2,3-dihydro-1H-indole-3-carbonitrile (CAS 73859-65-1)
- 1-(5-Oxo-4,5-dihydro-1H-pyrazol-3-yl)thiourea (CAS 859802-49-6)
- 2,3-dihydro-2-thioxo-1H-Imidazole-4-carboxylic acid methyl ester (CAS 57332-70-4)
- 2,3-Dihydro-1H-cyclopenta[3,4]pyrazolo[1,5-a]pyridine (CAS 102220-54-2)
- 2-(6,7-Dihydro-5H-cyclopenta[c]pyridin-7-yl)acetonitrile (CAS 1037841-06-7)
Recommended Standards
- 5-Ethyl-2-oxo-1,3-dioxole-4-carboxylic acid (CAS 188525-88-4)
- 2,5-Difluoronicotinamide (CAS 1934952-86-9)
- 2,4-Difluoronicotinamide (CAS 1823943-65-2)
- Methyl 4-(Benzylamino)Butanoate Hydrochloride (CAS 60169-40-6)
- 2-(3-Hydroxybutyl)-1H-benzo[d]imidazole-6-carboxylic acid hydrochloride (CAS 436099-55-7)
- 1-(Piperazin-1-yl)phthalazine dihydrochloride (CAS 1333898-02-4)
- (2-Methoxy-4,5-dimethylphenyl)methanol (CAS 1226127-78-1)
- 2-(4-(Tert-butyl)phenoxy)-5-nitrobenzaldehyde (CAS 175278-47-4)
- 4-Fluoro-2-(trifluoromethyl)benzimidamide Hydrochloride (CAS 1187927-62-3)
- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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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