4-Fluoro-1H-pyrazole-3-carboxylic acid CAS 881668-91-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 881668-91-3 |
| Molecular Formula | C4H3FN2O2 |
| Molecular Weight | 130.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Fluoro-1H-pyrazole-3-carboxylic acid (CAS 881668-91-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H3FN2O2. Molecular weight: 130.08 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H3FN2O2 |
| Molecular Weight | 130.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
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Recommended Standards
- 1,1,1,3-Tetrafluorobutane (CAS 86884-13-1)
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- 6-Fluoropyrimidine-2,4(1H,3H)-dione (CAS 591-36-6)
- N-(4-(Dimethylamino)benzylidene)-2,4-dimethylaniline (CAS 56133-49-4)
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- N1-Isopropyl-N2,N2-dimethylethane-1,2-diamine dihydrochloride (CAS 1081748-62-0)
- 7-fluoro-4-methyl-1,3-benzothiazol-2-amine (CAS 1019115-53-7)
- 7-Hydroxy-4-methyl-3-phenyl-2h-chromen-2-one (CAS 2555-23-9)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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