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Substance Name: Allantoin, heparin, onion extract drug combination
RN: 115792-22-8


  • Contains extract of onion bulbs, heparin and allantoin; used in treatment of keloids from burns.
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Names and Synonyms

Name of Substance

  • Allantoin, heparin, onion extract drug combination

Systematic Name

  • Contractubex

Registry Numbers

CAS Registry Number

  • 115792-22-8

System Generated Number

  • 0115792228