CAS 137-45-1: Pyrazol-5-ol
Description:Pyrazol-5-ol, with the CAS number 137-45-1, is an organic compound characterized by its pyrazole ring structure, which features a five-membered ring containing two nitrogen atoms and three carbon atoms. This compound is notable for its hydroxyl (-OH) group located at the 5-position of the pyrazole ring, which contributes to its reactivity and potential applications in various chemical reactions. Pyrazol-5-ol is typically a white to light yellow crystalline solid, and it is soluble in polar solvents such as water and alcohols. It exhibits weak acidic properties due to the presence of the hydroxyl group, allowing it to participate in hydrogen bonding. This compound is of interest in medicinal chemistry and material science, as it can serve as a precursor for the synthesis of more complex molecules, including pharmaceuticals and agrochemicals. Additionally, its derivatives may exhibit biological activity, making it a subject of research in drug development. Safety precautions should be observed when handling this compound, as with many organic chemicals.
Formula:C3H4N2O
InChI:InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h1-2H,(H2,4,5,6)
InChI key:InChIKey=XBYRMPXUBGMOJC-UHFFFAOYSA-N
SMILES:O=C1C=CNN1
- Synonyms:
- 1,2-Dihydropyrazol-3-One
- 1,2-dihydro-3H-pyrazol-3-one
- 1H-Pyrazol-3(2H)-one
- 1H-Pyrazol-3-ol
- 1H-Pyrazol-5-ol
- 2,3-Dihydro-1H-pyrazol-3-one
- 3-Hydroxypyrazole
- 3-Pyrazolin-5-one
- 3-Pyrazoline-5-one
- 3-Pyrazolone
- See more synonyms
- 4-Pyrazolin-3-one
- NSC 520837
- Pyrazol-3(or 5)-ol
- Pyrazol-3-ol
- Pyrazol-5-ol
- 3H-Pyrazol-3-one, 1,2-dihydro-
| Brand | Product data | Purity | Price range | Estimated delivery |
|---|---|---|---|---|
 | 1H-Pyrazol-3(2H)-one REF: IN-DA0012O8CAS: 137-45-1 | 98% | 25.00 €~200.00 € | Mon 07 Apr 25 |
 | 3-Pyrazolone REF: 4Z-P-211003CAS: 137-45-1 | - - - | To inquire | Tue 08 Apr 25 |
 | 1,2-Dihydro-3H-pyrazol-3-one REF: 3B-D5840CAS: 137-45-1 | >98.0%(GC)(T) | 73.00 €~295.00 € | Tue 08 Apr 25 |
 | 5-Hydroxy-1H-pyrazole REF: 54-OR300636CAS: 137-45-1 | 97% | 32.00 €~285.00 € | Mon 14 Apr 25 |
 | 1,2-Dihydro-3H-pyrazol-3-one REF: 3D-FD156057CAS: 137-45-1 | Min. 95% | - - - | Discontinued product |
1H-Pyrazol-3(2H)-one
Ref: IN-DA0012O8
| 1g | 25.00 € | ||
| 5g | 46.00 € | ||
| 10g | 61.00 € | ||
| 25g | 112.00 € | ||
| 100g | 200.00 € | ||
| 250mg | 25.00 € |
Ref: 4Z-P-211003
| 5mg | To inquire | ||
| 10mg | To inquire | ||
| 25mg | To inquire | ||
| 50mg | To inquire | ||
| 100mg | To inquire |
1,2-Dihydro-3H-pyrazol-3-one
Ref: 3B-D5840
| 1g | 73.00 € | ||
| 5g | 295.00 € |
5-Hydroxy-1H-pyrazole
Ref: 54-OR300636
| 1g | 32.00 € | ||
| 5g | 51.00 € |
1,2-Dihydro-3H-pyrazol-3-one
Ref: 3D-FD156057
| 2g | Discontinued | Request information | |
| 5g | Discontinued | Request information | |
| 10g | Discontinued | Request information | |
| 25g | Discontinued | Request information | |
| 50g | Discontinued | Request information |
