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HCID 10464751Erstellt: 26. Oktober 2026

2-(2-Oxopyrrolidin-1-yl)butanoic acid

Levetiracetam EP Impurity A · LEVETIRACETAM EP IMP A · LevetiracetaM IMpurity A · Levatiracetam Impurity A · EtiracetaM Carboxylic Acid · Ethyl 2-oxo-1-pyrrolidineacetate · 2-(2-oxopyrrolidin-1-yl)butanamide · Ethyl (2-oxopyrrolidin-1-yl)acetate

https://huagongshe.com/de/chemical/10464751

Molekülstruktur von 2-(2-Oxopyrrolidin-1-yl)butanoic acid

Identifikatoren & physikalische Daten

CAS No.67118-31-4
SummenformelC8H13NO3
Durchschnittliche Molmasse171,19 g/mol
Monoisotopische Masse171,08954328 g/mol
SMILESCCC(C(=O)O)N1CCCC1=O
InChIKeyIODGAONBTQRGGG-UHFFFAOYSA-N
PubChem CID10464751
EC No.102-807-4

Chemische & physikalische Eigenschaften

XLogP0,3
Polarare Oberfläche (TPSA)57,6
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen3
Schwere Atome12
Formalladung0
Komplexität202
Schmelzpunkt155-158 °C
Siedepunkt371.0±25.0 °C(Predicted)
Dichte1.227
Lagerbedingungen2-8°C
LöslichkeitAcetone (Slightly), Chloroform (Slightly), Methanol (Slightly)
pKa (Säurekonstante)3.76±0.10(Predicted)
FarbeWhite to Off-White
Hauptanwendungenpharmaceutical (small molecule)
InChI1S/C8H13NO3/c1-2-6(8(11)12)9-5-3-4-7(9)10/h6H,2-5H2,1H3,(H,11,12)
InChIKeyIODGAONBTQRGGG-UHFFFAOYSA-N
SMILESN1(CCCC1=O)C(CC)C(=O)O

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (100%)
Wassergefährdungsklasse (WGK)WGK 3
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

Etiracetam (E932970) intermediate.