Levetiracetam impurity B
Modify Date: 2025-08-25 11:20:23
Levetiracetam impurity B structure
|
Common Name | Levetiracetam impurity B | ||
|---|---|---|---|---|
| CAS Number | 358629-47-7 | Molecular Weight | 168.193 | |
| Density | 1.2±0.1 g/cm3 | Boiling Point | 443.0±28.0 °C at 760 mmHg | |
| Molecular Formula | C8H12N2O2 | Melting Point | N/A | |
| MSDS | N/A | Flash Point | 221.7±24.0 °C | |
| Name | (Z)-2-(2-oxopyrrolidin-1-yl)but-2-enamide |
|---|---|
| Synonym | More Synonyms |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 443.0±28.0 °C at 760 mmHg |
| Molecular Formula | C8H12N2O2 |
| Molecular Weight | 168.193 |
| Flash Point | 221.7±24.0 °C |
| Exact Mass | 168.089874 |
| PSA | 64.39000 |
| LogP | -0.42 |
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
| Index of Refraction | 1.553 |
| HS Code | 2933790090 |
|---|
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
| UNII-M64Y2GM5FI |
| 2-(2-Oxo-pyrrolidin-1-yl)-but-2-eno |
| Levetiracetam specified impurity B [EP] |
| 2-(2-Oxopyrrolidin-1-yl)but-2-enamide,(2Z) |
| (2Z)-2-(2-Oxo-1-pyrrolidinyl)-2-butenamide |
| Levetiracetam impurity B |
| 1-Pyrrolidineacetamide, α-ethylidene-2-oxo-, (αZ)- |