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CAS No 95-04-5 , (E)-N-carbamoyl-2-ethylbut-2-enamide

  • Name: (E)-N-carbamoyl-2-ethylbut-2-enamide
  • Synonyms: Neuroprocin;Ectylurea; Euplacid; Ectilurea; Distessol; Ectylcarbamide; Neocrosedin; Crotural;(E)-N-carbamoyl-2-ethylbut-2-enamide; Disteol; Ektylcarbamid;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.082g/cm3
  • Refractive index: 1.488
  • Safety Statements: Moderately toxic by ingestion and intraperitoneal routes. A sedative. When heated to decomposition it emits toxic fumes of NOx.
  • Flash Point: °C
  • EINECS: 202-386-8
  • Molecular Weight: 156.18238
  • InchiKey: QCUPYFTWJOZAOB-HWKANZROSA-N
  • InChI: InChI=1S/C7H12N2O2/c1-3-5(4-2)6(10)9-7(8)11/h3H,4H2,1-2H3,(H3,8,9,10,
    11)/b5-3+
  • Molecular Formula: C7H12N2O2
  • Molecular Structure:CAS No:95-04-5 (E)-N-carbamoyl-2-ethylbut-2-enamide

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References of (E)-N-carbamoyl-2-ethylbut-2-enamide
Title: Ectylurea
CAS Registry Number: 95-04-5
CAS Name: (Z)-N-(Aminocarbonyl)-2-ethyl-2-butenamide
Synonyms: (2-ethylcrotonoyl)urea; (a-ethylcrotonyl)urea; (a-ethylcrotonyl)carbamide
Trademarks: Astyn; Ektyl; Levanil (Upjohn); Nostal (Ames); Nostyn (Ames); Cronil (Farmigea); Neuroprocin; Pacetyn
Molecular Formula: C7H12N2O2
Molecular Weight: 156.18
Percent Composition: C 53.83%, H 7.74%, N 17.94%, O 20.49%
Literature References: Prepd by treating (2-bromo-2-ethylbutyryl)urea with dil boiling NaOH: Newbery, J. Chem. Soc. 127, 295 (1925). Prepn from carbromal and isopropanol by refluxing with silver oxide: Fancher, US 2854379, US 2931832 (1958, 1960 to Miles Labs.). Pharmacology and toxicity: M. H. Pindell et al., Fed. Proc. 12, 357 (1953).
Properties: Needles from benzene, mp 198°, also reported as mp 191-193° (lower melting form, mp 158°). Very slightly sol in ether, hot alcohol, other organic solvents. Sol in concd aq solns of alkalies and acids. LD50 in rats (mg/kg): 2500 orally; 900 i.p. (Pindell).
Melting point: mp 198°, also reported as mp 191-193° (lower melting form, mp 158°)
Toxicity data: LD50 in rats (mg/kg): 2500 orally; 900 i.p. (Pindell)
Therap-Cat: Sedative; hypnotic.
Keywords: Sedative/Hypnotic; Acylic Ureides.
 
 
Status: This monograph has been retired and is no longer subject to revision or update.