1-Methyl-4,5-dioxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid CAS 197652-34-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 197652-34-9 |
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1-Methyl-4,5-dioxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 197652-34-9) pharmaceutical standards reference standard. Molecular formula: C5H4N2O4. Molecular weight: 156.10 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.10 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.) | 2013 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 59299-01-3)
- 2,6-Dioxo-3,6-dihydro-2h-pyran-4-carboxylic acid (CAS 14556-16-2)
- 3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylic acid (CAS 13924-15-7)
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Recommended Standards
- 3-Hydroxy-4-nitropyridine 1-oxide (CAS 19355-03-4)
- (2S)-4,4,4-Trifluoro-2-methylbutanoic acid (CAS 868666-12-0)
- 4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic Acid (CAS 1823277-97-9)
- 2,4-Dihydroxy-5-methylbenzoic acid (CAS 4780-64-7)
- (R)-2-Hydroxy-2-(6-(hydroxymethyl)-5-oxo-2,3-dihydro-5H-spiro[indolizine-1,2'-[1,3]dioxolan]-7-yl)-N-((S)-1-phenylethyl)butanamide (CAS 127318-98-3)
- (R)-tert-Butyl (1-(benzyloxy)-3-oxopropan-2-yl)carbamate (CAS 350685-50-6)
- 4-(2,4-Dimethylphenyl)-4-oxobutanoic acid (CAS 15880-03-2)
- 2-(3-aminophenoxy)-N,N-diethylacetamide (CAS 926236-90-0)
- Amisulpride Impurity 33 (CAS CATO-C4X-104533)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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