Certificate of Analysis


Catalog Number: M5584
Product Name: Diphenidol HCl
CAS Number: 3254-89-5

Physical and Chemical Properties
Formula: C21H28ClNO
Molecular Weight: 345.91
Solubility: 60 mg/mL in DMSO
Storage: at -20°C
Chemical Structure: Diphenidol HCl Structure
Analytical Data
HPLC: Shows Min >98% purity
H-NMR: Consistent with structure
Product Information
Description: Diphenidol HCl is a potent antagonist of muscarinic M2 and M3 receptor with pKb of 6.72 and 7.02, respectively, used in the treatment of vomiting and vertigo.
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.