71173-77-8
71173-77-8 structure
- Name: 4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid
- Chemical Name: 5-oxo-1,4-dihydropyrazole-3-carboxylic acid
- CAS Number: 71173-77-8
- Molecular Formula: C4H4N2O3
- Molecular Weight: 128.08600
- Create Date: 2016-09-23 13:28:01
- Modify Date: 2025-09-13 20:31:17
| Name | 5-oxo-1,4-dihydropyrazole-3-carboxylic acid |
|---|---|
| Synonyms |
Pyrazolon-3-carbonsaeure
5-Oxo-2-pyrazoline-3-carboxylic acid 1H-Pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid |
| Density | 1.84g/cm3 |
|---|---|
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.08600 |
| Exact Mass | 128.02200 |
| PSA | 78.76000 |
| Index of Refraction | 1.708 |
| HS Code | 2933199090 |
|---|
|
~%
71173-77-8 |
| Literature: Kosower, Edward M.; Faust, Dov; Ben-Shoshan, Marcia; Goldberg, Israel Journal of Organic Chemistry, 1982 , vol. 47, # 2 p. 214 - 221 |
| Precursor 1 | |
|---|---|
| DownStream 0 | |
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |