Diphenhydramin

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Pharmaceutical Reference Standards

Diphenhydramine

CAT. No.	CP-D23000
CAS. No.	58-73-1
Mol. F.	C17H21NO
Mol. Wt.	255.4
Stock Status:	Custom Synthesis

Rel. Cas No: 147-24-0 (HCl salt)

Diphenhydramine EP Impurity A

CAT. No.	CP-D23001
CAS. No.	53499-40-4
Mol. F.	C16H19NO : HCl
Mol. Wt.	241.3 : 36.5
Stock Status:	Custom Synthesis

Rel. Cas No: 17471-10-2 (free base)

Diphenhydramine EP Impurity B

CAT. No.	CP-D23002
CAS. No.	19804-27-4
Mol. F.	C18H23NO
Mol. Wt.	269.38
Stock Status:	In Stock

Rel. Cas No: 4024-34-4 (HCl salt)

Diphenhydramine EP Impurity C

CAT. No.	CP-D23003
CAS. No.	118-23-0
Mol. F.	C17H20BrNO
Mol. Wt.	334.3
Stock Status:	In Stock

Rel. Cas No: 1808-12-4 (HCl Salt)

Diphenhydramine EP Impurity D

CAT. No.	CP-D23004
CAS. No.	91-01-0
Mol. F.	C13H12O
Mol. Wt.	184.2
Stock Status:	In Stock

Diphenhydramine EP Impurity E

CAT. No.	CP-D23005
CAS. No.	119-61-9
Mol. F.	C13H10O
Mol. Wt.	182.2
Stock Status:	Custom Synthesis

Rel. Cas No: 1174418-27-9 (hydrate)

Diphenhydramine N-Oxide Hydrochloride

CAT. No.	CP-D23006
CAS. No.	13168-00-8
Mol. F.	C17H21NO2 : HCl
Mol. Wt.	271.4:36.5
Stock Status:	Custom Synthesis

Rel. Cas No: 3922-74-5 (free base)

N-Nitroso Desmethyl Diphenhydramine

CAT. No.	CP-D23007
CAS. No.	55855-43-1
Mol. F.	C16H18N2O2
Mol. Wt.	270.33
Stock Status:	In Stock

Diphenhydramine Hydrochloride

CAT. No.	CP-D23009
CAS. No.	147-24-0
Mol. F.	C17H21NO : HCl
Mol. Wt.	255.4 : 36.46
Stock Status:	In Stock

Rel. Cas No: 58-73-1 (free base)

N-Nitroso N-Desmethyl Diphenhydramine EP Impurity C

CAT. No.	CP-D23010
CAS. No.	NA
Mol. F.	C16H17BrN2O2
Mol. Wt.	349.23
Stock Status:	In Stock

N-Nitroso N-Desmethyl Diphenhydramine EP Impurity B

CAT. No.	CP-D23011
CAS. No.	NA
Mol. F.	C17H20N2O2
Mol. Wt.	284.36
Stock Status:	In Stock

Diphenhydramine Methiodide

CAT. No.	CP-D23012
CAS. No.	14177-81-2
Mol. F.	C18H24NO : I
Mol. Wt.	270.4 : 126.9
Stock Status:	Custom Synthesis

Rel. Cas No: 29869-74-7 (free base)

Diphenhydramine Citrate

CAT. No.	CP-D23013
CAS. No.	88637-37-0
Mol. F.	C17H21NO : C6H8O7
Mol. Wt.	255.4 : 192.1
Stock Status:	1-2 weeks

Rel. Cas No: 58-73-1 (free base)

4,4-Bis(diethylamino)benzophenone

CAT. No.	CP-D23014
CAS. No.	90-93-7
Mol. F.	C21H28N2O
Mol. Wt.	324.47
Stock Status:	Custom Synthesis

2-Chloro(methylphenyl)phenylmethoxy Ethane Ether

CAT. No.	CP-D23016
CAS. No.	22135-59-7
Mol. F.	C16H17ClO
Mol. Wt.	260.76
Stock Status:	Custom Synthesis

2-(Benzhydryloxy)-N-methylacetamide

CAT. No.	CP-D23017
CAS. No.	118286-16-1
Mol. F.	C16H17NO2
Mol. Wt.	255.31
Stock Status:	Custom Synthesis

2-(Diphenylmethoxy)-N,N,N-trimethylethanaminium Bromide

CAT. No.	CP-D23018
CAS. No.	31065-89-1
Mol. F.	C18H24NO : Br
Mol. Wt.	270.40 : 79.90
Stock Status:	Custom Synthesis

Diphenhydramine N-Glucuronide

CAT. No.	CP-D413001
CAS. No.	137908-78-2
Mol. F.	C23H29NO7
Mol. Wt.	431.49
Stock Status:	Custom Synthesis

Rel. Cas No: NA

Bis(Diphenylmethyl) Ether

CAT. No.	CP-D52015
CAS. No.	574-42-5
Mol. F.	C26H22O
Mol. Wt.	350.46
Stock Status:	In Stock

Diphenhydramine USP Related Compound B

CAT. No.	CP-D52016
CAS. No.	19574-66-4
Mol. F.	C16H18O3
Mol. Wt.	258.32
Stock Status:	Custom Synthesis

Isotope Labelled standard

Diphenhydramine-d5 (Hydrochloride salt)

CAT. No.	CP-IL0590
CAS. No.	1219795-16-0
Mol. F.	C17H16NOD5 : HCl
Mol. Wt.	260.4 : 36.5
Stock Status:	Please Enquire

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