Diphenhydramine Impurities

Parent Drug Name	Name of Impurity	Catalogue No.
Diphenhydramine	Diphenhydramine Benzhydryl bromide	VL177008	View CAS 776-74-9
Diphenhydramine	Diphenhydramine Diphenylmethane	VL177007	View CAS 101-81-5
Diphenhydramine	Diphenhydramine EP Impurity A	VE0010078	View CAS 17471-10-2
Diphenhydramine	Diphenhydramine EP Impurity A	VL177001	View CAS 17471-10-2
Diphenhydramine	Diphenhydramine EP Impurity B	VL177002	View CAS 19804-27-4
Diphenhydramine	Diphenhydramine EP Impurity C	VL177003	View CAS 118-23-0
Diphenhydramine	Diphenhydramine EP Impurity D	VL177004	View CAS 91-01-0
Diphenhydramine	Diphenhydramine EP Impurity E	VL177005	View CAS 119-61-9
Diphenhydramine	Diphenhydramine N-Oxide	VL177006	View CAS 3922-74-5

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101-81-5: Diphenhydramine Diphenylmethane

Catalogue No.	VL177007
CAS No.	101-81-5
Molecular Formula	C₁₃H₁₂
Molecular Weight	168.23
Parent drug	Diphenhydramine
IUPAC Name	1, 1'-Methylenebis[benzene]
Synonyms	Diphenylmethane
References	Yin, Donghong, et al. “Synthesis of Diphenylmethane Derivatives in Lewis Acidic Ionic Liquids.” Journal of Molecular Catalysis A: Chemical, vol. 245, no. 1-2, Feb. 2006, pp. 260–65, https://doi.org/10.1016/j.molcata.2005.10.010.
Status	In-stock
ListName	Diphenhydramine Diphenylmethane
Exclusively Supplied by Veeprho	Exclusively Supplied by Veeprho

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