2-(3-Hydroxy-1H-pyrazol-4-yl)acetic acid CAS 876716-99-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 876716-99-3 |
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(3-Hydroxy-1H-pyrazol-4-yl)acetic acid (CAS 876716-99-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6N2O3. Molecular weight: 142.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- Methyl 1-hydroxy-1H-pyrazole-4-carboxylate (CAS 108435-77-4)
- 5-Hydroxy-2-(hydroxymethyl)pyrimidin-4(1H)-one (CAS 120491-07-8)
- 5-Hydroxy-1-methyl-1h-pyrazole-4-carboxylic acid (CAS 1255352-25-0)
- 4-Hydroxy-3-methyl-1h-pyrazole-5-carboxylic acid (CAS 1346270-06-1)
- 2-(5-Hydroxy-1H-imidazol-2-yl)acetic acid (CAS 1368879-81-5)
- 5-hydroxy-1-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 15585-47-4)
- 6-Hydroxy-2-methoxy-4(3H)-pyrimidone (CAS 1758-98-1)
- Methyl 5-hydroxy-2-furancarboxylate (CAS 1824438-04-1)
Recommended Standards
- 2-(2-Aminooxazol-4-yl)acetic acid (CAS 6497-02-5)
- 2-(3-Hydroxy-1h-pyrazol-5-yl)acetic acid (CAS 924858-85-5)
- 1,3-Dimethylparabanic Acid (CAS 5176-82-9)
- 2,4-Dibromo-5-(difluoromethoxy)aniline (CAS 1806322-80-4)
- 5-Bromo-2-(4-ethylpiperazin-1-yl)aniline (CAS 1016794-10-7)
- TERT-BUTYL 7-OXO-2,8-DIAZASPIRO[5.5]UNDECANE-2-CARBOXYLATE (CAS 923009-54-5)
- Cephalotin (CAS 153-61-7)
- 2-Iodo-n1,n1-dimethylbenzene-1,4-diamine (CAS 1369818-69-8)
- Tivozanib Impurity 28 (CAS CATO-C4X-340028)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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