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Pharmaceutical Reference Standards

Doxepin Hydrochloride

Picture of Doxepin Hydrochloride
CAT No: SZ-D037001
CAS No: 1229-29-4
Mol.F. : C19H21NO : HCl
Mol.Wt. : 279.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1668-19-5 (free base)
SZ-D037001
CAS No:1229-29-4
Mol.F.: C19H21NO : HCl
Mol.Wt.: 279.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1668-19-5 (free base)

Doxepin EP impurity A

Picture of Doxepin EP impurity A
CAT No: SZ-D037002
CAS No: 4504-87-4
Mol.F. : C14H10O2
Mol.Wt. : 210.2
Inv. Status: In Stock
SZ-D037002
CAS No:4504-87-4
Mol.F.: C14H10O2 
Mol.Wt.: 210.2
Inv. Status: In Stock

Doxepin EP impurity B (HCl)

Picture of Doxepin EP impurity B (HCl)
CAT No: SZ-D037003
CAS No: NA
Mol.F. : C19H23NO2 : HCl
Mol.Wt. : 297.4 : 36.5
Inv. Status: Out of Stock, Under Synthesis
Rel. CAS No : 4504-88-5 (free base)
SZ-D037003
CAS No:NA
Mol.F.: C19H23NO2 : HCl
Mol.Wt.: 297.4 : 36.5
Inv. Status: Out of Stock, Under Synthesis
Rel. CAS No : 4504-88-5 (free base)

Doxepin EP impurity C

Picture of Doxepin EP impurity C
CAT No: SZ-D037004
CAS No: 67035-76-1
Mol.F. : C18H19NO
Mol.Wt. : 265.4
Inv. Status: In Stock
SZ-D037004
CAS No:67035-76-1
Mol.F.: C18H19NO 
Mol.Wt.:  265.4
Inv. Status: In Stock

Doxepin EP impurity D (HCl)

Picture of Doxepin EP impurity D (HCl)
CAT No: SZ-D037005
CAS No: 25127-31-5
Mol.F. : C19H21NO : HCl
Mol.Wt. : 279.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 3607-18-9 (free base)
SZ-D037005
CAS No:25127-31-5
Mol.F.: C19H21NO : HCl
Mol.Wt.: 279.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 3607-18-9 (free base)

Doxepin N-Oxide

Picture of Doxepin N-Oxide
CAT No: SZ-D037015
CAS No: 22684-91-9
Mol.F. : C19H21NO2
Mol.Wt. : 295.4
Inv. Status: In Stock
SZ-D037015
CAS No:22684-91-9
Mol.F.: C19H21NO2
Mol.Wt.: 295.4
Inv. Status: In Stock

Doxepin Impurity 7

Picture of Doxepin Impurity 7
CAT No: SZ-D037016
CAS No: 21324-99-2
Mol.F. : C16H12O2
Mol.Wt. : 236.3
Inv. Status: In Stock
SZ-D037016
CAS No:21324-99-2
Mol.F.: C16H12O2
Mol.Wt.: 236.3
Inv. Status: In Stock

(E)-N-Acetyl-N-desmethyl Doxepin

Picture of (E)-N-Acetyl-N-desmethyl Doxepin
CAT No: SZ-D037017
CAS No: 250331-54-5
Mol.F. : C20H21NO2
Mol.Wt. : 307.4
Inv. Status: In Stock
SZ-D037017
CAS No:250331-54-5
Mol.F.: C20H21NO2
Mol.Wt.: 307.4
Inv. Status: In Stock

(E)-N-Desmethyl-N-formyl Doxepin

Picture of (E)-N-Desmethyl-N-formyl Doxepin
CAT No: SZ-D037018
CAS No: 250331-52-3
Mol.F. : C19H19NO2
Mol.Wt. : 293.4
Inv. Status: In Stock
SZ-D037018
CAS No:250331-52-3
Mol.F.: C19H19NO2
Mol.Wt.: 293.4
Inv. Status: In Stock

Doxepin Impurity 1

Picture of Doxepin Impurity 1
CAT No: SZ-D037019
CAS No: 83473-99-8
Mol.F. : C16H12O2
Mol.Wt. : 236.3
Inv. Status: In Stock
SZ-D037019
CAS No:83473-99-8
Mol.F.: C16H12O2
Mol.Wt.: 236.3
Inv. Status: In Stock

Doxepin Impurity 2

Picture of Doxepin Impurity 2
CAT No: SZ-D037020
CAS No: 83473-98-7
Mol.F. : C16H12O2
Mol.Wt. : 236.3
Inv. Status: In Stock
SZ-D037020
CAS No:83473-98-7
Mol.F.: C16H12O2
Mol.Wt.: 236.3
Inv. Status: In Stock

Doxepin Impurity 3

Picture of Doxepin Impurity 3
CAT No: SZ-D037021
CAS No: NA
Mol.F. : C33H31NO2
Mol.Wt. : 473.6
Inv. Status: Under Synthesis
SZ-D037021
CAS No:NA
Mol.F.: C33H31NO2
Mol.Wt.: 473.6
Inv. Status: Under Synthesis

Doxepin EP impurity B

Picture of Doxepin EP impurity B
CAT No: SZ-D037022
CAS No: 4504-88-5
Mol.F. : C19H23NO2
Mol.Wt. : 297.4
Inv. Status: In Stock
SZ-D037022
CAS No:4504-88-5
Mol.F.: C19H23NO2
Mol.Wt.: 297.4
Inv. Status: In Stock

Doxepin USP Related Compound C

Picture of Doxepin USP Related Compound C
CAT No: SZ-D037024
CAS No: 2887-91-4
Mol.F. : C18H19NO : HCl
Mol.Wt. : 265.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1225-56-5 (free base) ; 4076-26-0 (HBr salt)
SZ-D037024
CAS No:2887-91-4
Mol.F.: C18H19NO : HCl
Mol.Wt.: 265.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1225-56-5 (free base) ; 4076-26-0 (HBr salt)

Doxepin Impurity 4

Picture of Doxepin Impurity 4
CAT No: SZ-D037025
CAS No: 94432-54-9
Mol.F. : C19H25NO
Mol.Wt. : 283.4
Inv. Status: Custom Synthesis
Rel. CAS No : 94432-53-8 (HCl salt)
SZ-D037025
CAS No:94432-54-9
Mol.F.: C19H25NO
Mol.Wt.: 283.4
Inv. Status: Custom Synthesis
Rel. CAS No : 94432-53-8 (HCl salt)

Doxepin Impurity 5

Picture of Doxepin Impurity 5
CAT No: SZ-D037026
CAS No: 724-98-1
Mol.F. : C14H12O3
Mol.Wt. : 228.2
Inv. Status: Custom Synthesis
SZ-D037026
CAS No:724-98-1
Mol.F.: C14H12O3
Mol.Wt.: 228.2
Inv. Status: Custom Synthesis

Doxepin Impurity 6

Picture of Doxepin Impurity 6
CAT No: SZ-D037027
CAS No: 866996-44-3
Mol.F. : C15H14O3
Mol.Wt. : 242.3
Inv. Status: Custom Synthesis
SZ-D037027
CAS No:866996-44-3
Mol.F.: C15H14O3
Mol.Wt.: 242.3
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Doxepin Hydrochloride D3

Picture of Doxepin Hydrochloride D3
CAT No: SZ-D037D01
CAS No: 347840-07-7
Mol.F. : C19H18D3NO : HCl
Mol.Wt. : 282.4 : 36.5
Inv. Status: Out of Stock, Under Synthesis
Rel. CAS No : 138387-16-3 (free base)
SZ-D037D01
CAS No:347840-07-7
Mol.F.: C19H18D3NO : HCl
Mol.Wt.: 282.4 : 36.5
Inv. Status: Out of Stock, Under Synthesis
Rel. CAS No : 138387-16-3 (free base)

Nordoxepin D3 Hydrochloride

Picture of Nordoxepin D3 Hydrochloride
CAT No: SZ-D037D02
CAS No: 1331665-54-3
Mol.F. : C18H16D3NO : HCl
Mol.Wt. : 268.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1331822-25-3 (free base)
SZ-D037D02
CAS No:1331665-54-3
Mol.F.: C18H16D3NO : HCl
Mol.Wt.: 268.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1331822-25-3 (free base)

E-Doxepin-D3 HCl

Picture of E-Doxepin-D3 HCl
CAT No: SZ-D037D03
CAS No: NA
Mol.F. : C19H18D3NO : HCl
Mol.Wt. : 282.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 4698-39-9 (Unlabeled)
SZ-D037D03
CAS No:NA
Mol.F.: C19H18D3NO : HCl
Mol.Wt.: 282.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 4698-39-9 (Unlabeled)

Z-Doxepin-D3 HCl

Picture of Z-Doxepin-D3 HCl
CAT No: SZ-D037D04
CAS No: NA
Mol.F. : C19H18D3NO : HCl
Mol.Wt. : 282.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 25127-31-5 (Unlabeled)
SZ-D037D04
CAS No:NA
Mol.F.: C19H18D3NO : HCl
Mol.Wt.: 282.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 25127-31-5 (Unlabeled)

Possible Nitroso Standards

N-Nitroso Doxepin Impurity

Picture of N-Nitroso Doxepin Impurity
CAT No: SZ-D037023
CAS No: NA
Mol.F. : C18H18N2O2
Mol.Wt. : 294.4
Inv. Status: In Stock
SZ-D037023
CAS No:NA
Mol.F.: C18H18N2O2
Mol.Wt.: 294.4
Inv. Status: In Stock