• #LGM Pharma is a Diphenhydramine Citrate CAS# 88637-37-0 API supplier distributor based in the USA. Inquire about DMF, cGMP, price, availability, delivery, purity, and more.
  • #Questions? Call our customer API support number 1-(800)-881-8210.
  • #LGM Pharma offers this active ingredient but not the finished dosage forms.

Product Details:

  • CAS No: 88637-37-0
  • AHFC code:
  • Synonyms: 2-(Diphenylmethoxy)-N,N-dimethylethylamine citrate (1:1), Diphenhydramine citrate, EINECS 289-432-0, UNII-4OD433S209
  • ATC Code:
  • Chemical Formula: C17-H21-N-O.C6-H8-O7
  • Molecular Weight:
  • Assay/Purity: Typically NLT 98%
  • DrugBank:
  • SMILES: N(C)(C)CCOC(c1ccccc1)c1ccccc1.C(C(CC(=O)O)(C(=O)O)O)C(=O)O
  • InChl: InChI=1S/C17H21NO.C6H8O7/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;7-3(8)1-6(13,5(11)12)2-4(9)10/h3-12,17H,13-14H2,1-2H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
  • PubChem:
  • IUPAC: (2-(Diphenylmethoxy)ethyl)dimethylammonium dihydrogen 2-hydroxypropane-1,2,3-tricarboxylate

Additional Details

Mode of Action:
General Reference:
Products currently covered by valid US Patents are offered for R&D use in accordance with 35 USC 271(e)+A13(1). Any patent infringement and resulting liability is solely at buyer risk.

API’s From Quality Manufacturers:

  • Cost effective materials based on specific requirements
  • Small quantities for initial research and larger development quantities towards product commercialization


  • Technical packages, letters of access to filed DMFs
  • Complete assistance in any regulatory filings
  • Top quality GMP certified manufacturers
  • Have necessary regulatory credentials


Related YouTube Videos