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Substance Name: Diphenoxylate hydrochloride [USP]
RN: 3810-80-8
UNII: W24OD7YW48
InChIKey: SHTAFWKOISOCBI-UHFFFAOYSA-N

Note

  • A MEPERIDINE congener used as an antidiarrheal, usually in combination with ATROPINE. At high doses, it acts like morphine. Its unesterified metabolite difenoxin has similar properties and is used similarly. It has little or no analgesic activity.

Molecular Formula

  • C30-H32-N2-O2.Cl-H

Molecular Weight

  • 489.0557
 

Classification Codes

  • Antiperistaltic
  • Drug / Therapeutic Agent
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Names and Synonyms

Name of Substance

  • Diphenoxylate hydrochloride [USP]

Synonyms

  • 1-(3-Cyano-3,3-diphenylpropyl)-4-phenylisonipecotic acid ethyl ester hydrochloride
  • Diphenoxylate HCl
  • Diphenoxylate hydrochloride
  • EINECS 223-287-6
  • Ethyl 1-(3-cyano-3,3-diphenylpropyl)-4-phenylisonipecotate monohydrochloride
  • R 1132
  • R 1132 (antiperistaltic)
  • UNII-W24OD7YW48

Systematic Names

  • 4-Piperidinecarboxylic acid, 1-(3-cyano-3,3-diphenylpropyl)-4-phenyl-, ethyl ester, monohydrochloride
  • Diphenoxylate hydrochloride
  • Isonipecotic acid, 1-(3-cyano-3,3-diphenylpropyl)-4-phenyl-, ethyl ester, hydrochloride

Mixture Name

  • Lomotil

Registry Numbers

CAS Registry Number

  • 3810-80-8

FDA UNII

  • W24OD7YW48

Related Registry Number

  • 915-30-0 (Parent)

System Generated Number

  • 0003810808

Molecular Formulas

Molecular Formula

  • C30-H32-N2-O2.Cl-H

Molecular Formula Fragments

  • C30-H32-N2-O2
  • Cl-H
  • COMPONENT

Structure Descriptors

InChI

1S/C30H32N2O2.ClH/c1-2-34-28(33)29(25-12-6-3-7-13-25)18-21-32(22-19-29)23-20-30(24-31,26-14-8-4-9-15-26)27-16-10-5-11-17-27;/h3-17H,2,18-23H2,1H3;1H

InChIKey

SHTAFWKOISOCBI-UHFFFAOYSA-N

Smiles

Cl.CCOC(=O)C1(CCN(CCC(C#N)(c2ccccc2)c3ccccc3)CC1)c4ccccc4

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 320mg/kg (320mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 24, Pg. 1636, 1974.
mouse LD50 subcutaneous > 160mg/kg (160mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 24, Pg. 1636, 1974.
rat LD50 oral 221mg/kg (221mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 24, Pg. 1633, 1974.