PRODUCT CATALOG
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Levetiracetam
Human APIstandards in stock
Route - KSMs and intermediates
- KSM(S)-2-Aminobutanamide Hydrochloride7682-20-4
- KSM4-Chlorobutyryl chloride4635-59-0
Impurity and working standards - ready stock
| Structure | Standard | CAS | Availability | |
|---|---|---|---|---|
 | API | 102767-28-2 | In stock | |
| Levetiracetam impurity- G/Levetiracetam Related Compound B (USP)/ Levetiracetam Impurity B (IP); | 7682-20-4 | In stock |
Characterised impurities
| Impurity | Chemical name | Pharmacopoeia |
|---|---|---|
| Levetirace tam acid/ Impurity A of Levetirace tam | 2-(2-0xopyrrolidin-1- yl)butanoic acid | IHT |
| /Pyridin-2- ol / Impurity C of Levetirace tam | Pyridin-2(1 H)-one | IHT |
| Impurity E of Levetirace tam (R-(+)- Phenyleth yl amine Imp. pf Pregabalin | (1R)-1-Phenylethah- 1-amine | IHT |
| e) Impurity "D" s-methyl- 2- aminobuta noate HCl (S)-(+)-2- amino butyric acid RABAM.HC l 4- Chlorobut yryl chloride | (2R)-2,2-(2- Oxopyrrolidin-1- yl)butanamide s-methyl-2- aminobutanoate HCl (S)-(+)-2-amino butyric acid R-(-)-2-amino butanamide hydrochloride 4-Chlorobutyryl chloride | IHT IHT IHT IHT IHT |
| 2- Pyrrolidon e 4- chlorobuty ric acid L-alanine | Pyrrolidin-2-one 4-Chlorobutanoic acid (S)-2-aminopropionic acid, L-alpha- aminopropionic acid | IHT IHT IHT |
| L- Threonine | L-Threonine | IHT |
| GBL Levetirace tam | Gamma- Butyrolactone (S)-Methyl-2-(2- Oxopyrrolidone-1- | IHT IHT |
| methyl. ester Propionald | yl)-2-butanoate | - |
| ehyde | Propionaldehyde | IHT |
| R-SABA | (R)-(-)-2- Aminobutyric acid | IHT |
| Racemic Levetirace tam | (RS)-2-(2- 0xopyrrolidin-1- yl)butanamide | IHT |
| TETRABUT YLAMMON | TETRABUTYLAMMO | - |
| IUMBROMI DE | NIUMBROMIDE | IHT |
| “DBA” | Alpha[(dibutylamine methyl)-2,7-dichloro- 4-fluorenmethanol | IHT |
| “DBA” | Alpha[(dibutylamine methyl)-2,7-dichloro- 4-fluorenmethanol | IHT |
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