Diphenhydramine Impurities

Diphenhydramine Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Diphenhydramine, pharmacopeial and non-pharmacopeial Diphenhydramine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Diphenhydramine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Diphenhydramine-related products are thoroughly characterized. Diphenhydramine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Diphenhydramine

SZ CAT No:	: SZ-D054001
CAS No	: 58-73-1
Mol.F.	: C17H21NO
Mol.Wt.	: 255.4
Inv. Status	: In Stock

Diphenhydramine EP Impurity B

SZ CAT No:	: SZ-D054003
CAS No	: 19804-27-4
Mol.F.	: C18H23NO
Mol.Wt.	: 269.4
Inv. Status	: In Stock

Diphenhydramine EP Impurity C

SZ CAT No:	: SZ-D054004
CAS No	: 1808-12-4
Mol.F.	: C17H20BrNO : HCl
Mol.Wt.	: 334.3 : 36.5
Inv. Status	: In Stock

Diphenhydramine EP Impurity D

SZ CAT No:	: SZ-D054005
CAS No	: 91-01-0
Mol.F.	: C13H12O
Mol.Wt.	: 184.2
Inv. Status	: In Stock

Diphenhydramine EP Impurity E

SZ CAT No:	: SZ-D054006
CAS No	: 119-61-9
Mol.F.	: C13H10O
Mol.Wt.	: 182.2
Inv. Status	: In Stock

Diphenhydramine EP Impurity A

SZ CAT No:	: SZ-D054002
CAS No	: 53499-40-4
Mol.F.	: C16H19NO : HCl
Mol.Wt.	: 241.3 : 36.5
Inv. Status	: In Stock

Diphenhydramine HCl

SZ CAT No:	: SZ-D054012
CAS No	: 147-24-0
Mol.F.	: C17H21NO : HCl
Mol.Wt.	: 255.4 : 36.5
Inv. Status	: In Stock

Diphenhydramine Impurity K

SZ CAT No:	: SZ-D054007
CAS No	: 574-42-5
Mol.F.	: C26H22O
Mol.Wt.	: 350.5
Inv. Status	: In Stock

Diphenhydramine Methiodide

SZ CAT No:	: SZ-D054008
CAS No	: 14177-81-2
Mol.F.	: C18H24NO : I
Mol.Wt.	: 270.4 : 126.9
Inv. Status	: In Stock

Diphenhydramine N-Oxide

SZ CAT No:	: SZ-D054013
CAS No	: 3922-74-5
Mol.F.	: C17H21NO2
Mol.Wt.	: 271.4
Inv. Status	: In Stock

Diphenhydramine N-Oxide Hydrochloride

SZ CAT No:	: SZ-D054010
CAS No	: 13168-00-8
Mol.F.	: C17H21NO2 : HCl
Mol.Wt.	: 271.4 : 36.5
Inv. Status	: In Stock

Diphenhydramine Citrate

SZ CAT No:	: SZ-D054014
CAS No	: 88637-37-0
Mol.F.	: C17H21NO : C6H8O7
Mol.Wt.	: 255.4 : 192.1
Inv. Status	: Custom Synthesis

Diphenhydramine Impurity 1

SZ CAT No:	: SZ-D054011
CAS No	: NA
Mol.F.	: C21H28N3O2
Mol.Wt.	: 354.5
Inv. Status	: Custom Synthesis

Diphenhydramine USP Related Compound B

SZ CAT No:	: SZ-D054009
CAS No	: 19574-66-4
Mol.F.	: C16H18O3
Mol.Wt.	: 258.3
Inv. Status	: Custom Synthesis

Diphenylmethyl Mesylate

SZ CAT No:	: SZ-D054017
CAS No	: 135513-20-1
Mol.F.	: C14H14O3S
Mol.Wt.	: 262.3
Inv. Status	: Custom Synthesis

Stable Isotopes And Metabolites

Benzophenone-13C

SZ CAT No:	: SZ-D054D02
CAS No	: 32488-48-5
Mol.F.	: C1213CH10O
Mol.Wt.	: 183.2
Inv. Status	: Custom Synthesis

Diphenhydramine D5 Hydrochloride

SZ CAT No:	: SZ-D054D01
CAS No	: 1219795-16-0
Mol.F.	: C17H16D5NO : HCl
Mol.Wt.	: 260.4 : 36.5
Inv. Status	: Custom Synthesis

N-Nitroso N-Desmethyl Diphenhydramine-D5

SZ CAT No:	: SZ-D054D03
CAS No	: NA
Mol.F.	: C16H13D5N2O2
Mol.Wt.	: 275.4
Inv. Status	: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Diphenhydramine EP Impurity A

SZ CAT No:	: SZ-D054015
CAS No	: 55855-43-1
Mol.F.	: C16H18N2O2
Mol.Wt.	: 270.3
Inv. Status	: In Stock

Diphenhydramine Nitroso Impurity 1

SZ CAT No:	: SZ-D054016
CAS No	: NA
Mol.F.	: C16H17BrN2O2
Mol.Wt.	: 349.2
Inv. Status	: Custom Synthesis

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