(R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE

Product Name: (R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE
CAS No.: 103765-01-1
Chemical Name: (R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE
Synonyms: UCB-L 060;Levetiracetam-4;R-(+)-ETIRACETAM;R-(+)-LevetiracetaM;LEVETIRACETAM EP IMP D;levetiraccetam R-isomer;LevetiracetaM IMpurity D;Levetiracetam EP Impurity D;Levetiracetam impurities519;Levetiracetam EP Imputity D
CBNumber: CB82446435
Molecular Formula: C8H14N2O2
Formula Weight: 170.21
MOL File: 103765-01-1.mol

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(R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE Property

Melting point:: 114-116 °C(Solv: acetone (67-64-1))
Boiling point:: 395.9±25.0 °C(Predicted)
Density: 1.168±0.06 g/cm3(Predicted)
storage temp.: Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility: Acetone (Sparingly, Sonicated), Chloroform (Slightly), Methanol (Slightly)
pka: 15.74±0.50(Predicted)
color: White to Off-White

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H319Causes serious eye irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: Y0001257
Product name: Levetiracetam impurity D
Purity: European Pharmacopoeia (EP) Reference Standard
Packaging: 15 mg
Price: $156
Updated: 2025/07/31

Sigma-Aldrich

Product number: Y0001257
Product name: Levetiracetam impurity D
Purity: European Pharmacopoeia (EP) Reference Standard
Packaging: y0001257
Price: $153
Updated: 2024/03/01

TRC

Product number: L331505
Product name: (R)-Levetiracetam
Packaging: 2.5mg
Price: $185
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: API0005542
Product name: R-(+)-LEVETIRACETAM
Purity: 95.00%
Packaging: 10MG
Price: $231
Updated: 2021/12/16

Medical Isotopes, Inc.

Product number: 65823
Product name: (R)-Levetiracetam
Packaging: 2.5mg
Price: $650
Updated: 2021/12/16

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(R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE Chemical Properties,Usage,Production

Uses

(R)-Levetiracetam [REV] (Levetiracetam EP Impurity D), is the enantiomer to Levetiracetam [LEV] (L331500), the antiepileptic drug that is highly enantioselective. It is apparent that [LEV] is more potent than [REV] in terms of antiepileptic potency.

(R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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(R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE Suppliers

China 77 India 4 United States 6 Global 87

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103765-01-1, (R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDERelated Search:

Etiracetam Levetiracetam (2S)-2-(2-Oxopyrrolidin-1-yl)butanoic acid (R)-(-)-2-AMINOBUTANAMIDE HYDROCHLORIDE, 97% Levetiracetam impurity 8 Levetiracetam acid LevetiracetaM IMpurity B (S)-N-(1-aMino-1-oxobutan-2-yl)-4-chlorobutanaMide alpha-Ethyl-2-oxo-1-pyrrolidineacetic acid Levetiracetam impurity 6 Levetiracetam impurity 7 2-Hydroxypyridine Pyridin-2-ol LEVETIRACETAM-D6 (S)-2-Aminobutyramide hydrochloride H-ABU-OME HCL 2-aminobutanenitrile 1,3-dihydroxypropan-2-yl 4-hydroxybenzoate

1-PYRROLIDINEACETAMIDE, A-ETHYL-2-OXO-, (AR)-

R-(+)-ETIRACETAM

UCB-L 060

(R)-alpha-Ethyl-2-oxo-1-pyrrolidineacetamide

1-Pyrrolidineacetamide, alpha-ethyl-2-oxo-, (R)-

R-(+)-LevetiracetaM

levetiraccetam R-isomer

Levetiracetam Impurity enantiomer

(αR)-α-Ethyl-2-oxo-1-pyrrolidineacetamide

(R)-2-(2-oxopyrrolidin-1- yl)butanamide

(R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE

Levetiracetam EP Impurity D

LevetiracetaM IMpurity D

Levetiracetam impurity 5/Levetiracetam EP Impurity D/(R)-Etiracetam/Levetiracetam R-Isomer/(R)-2-(2-oxopyrrolidin-1- yl)butanamide

Levetiracetam-4

Levetiracetam Impurity 4（Levetiracetam EP Impurity D）

1-Pyrrolidineacetamide, α-ethyl-2-oxo-, (αR)-

Levetiracetam EP Impurity D (R-enantiomer)

Levetiracetam EP Impurity D (Levetiracetam R-Isomer)

Levetiracetam impurities519

Levetiracetam impurity D (Y0001257)

LEVETIRACETAM EP IMP D

Levetiracetam R-Isomer / Levetiracetam EP Impurity-D

Levetiracetam EP Impurity D ((R)-Levetiracetam)

(2R)-2-(2-Oxopyrrolidin-1-yl)butanamide ((R)-Etiracetam)

Levetiracetam EP Imputity D

(R)-2-(2-Oxopyrrolidin-1-yl)butanamide (Levetiracetam Impurity)

103765-01-1