5-Oxo-2,5-dihydro-1H-pyrazole-3-carboxylic Acid CAS 37832-55-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 37832-55-6 |
| Molecular Formula | C4H6N2O3 |
| Molecular Weight | 130.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Oxo-2,5-dihydro-1H-pyrazole-3-carboxylic Acid (CAS 37832-55-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H6N2O3. Molecular weight: 130.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H6N2O3 |
| Molecular Weight | 130.10 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 5,6-Dihydro-1,4-dioxine-2-carboxylic acid (CAS 61564-98-5)
- 5-Oxo-2,5-dihydro-1,2,4-oxadiazole-3-carboxylic acid (CAS 1257265-24-9)
- 2-Methyl-3,4-dihydro-2H-pyran-3,4-diol (CAS 53657-42-4)
- 4-Oxo-4,5-dihydro-1,2,5-oxadiazole-3-carboxylic acid (CAS 66313-36-8)
- 2,5-Dihydro-2,5-dimethoxyfuran (CAS 332-77-4)
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Recommended Standards
- 5-tert-Butyl-1,2,3-trimethylbenzene (CAS 98-23-7)
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- Carboxybutyrolactone (CAS 4344-84-7)
- 10-Phenyldecanoic acid (CAS 18017-73-7)
- 1217624-04-8 [(3S,4R)-1-Benzyl-4-(3-fluorophenyl)pyrrolidin-3-yl]methanol (CAS 1217624-04-8)
- 3,7-Diazabicyclo[3.3.0]octane (CAS 5840-00-6)
- 1,2-Dimethyl-N-(thietan-3-yl)piperidin-3-amine (CAS 1870791-91-5)
- Fmoc-N-(2,4,6-trimethoxybenzyl)-glycine (CAS 166881-43-2)
- 1-(3,5-Dichlorophenyl)cyclobutanecarboxylic Acid (CAS 1260664-54-7)
- Endo-[Glu]31-Liraglutide (CAS CATO-C4X-199234)
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