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  • Home /
  • Venlafaxine

Venlafaxine Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Venlafaxine, pharmacopeial and non-pharmacopeial Venlafaxine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Venlafaxine 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.

Venlafaxine-related products are thoroughly characterized. Venlafaxine 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

Venlafaxine HCl

Picture of Venlafaxine HCl
CAT No: SZ-V007000
CAS No: 99300-78-4
Mol.F. : C17H27NO2 : HCl
Mol.Wt. : 277.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 93413-69-5 (free base)
SZ-V007000
CAS No:99300-78-4
Mol.F.: C17H27NO2 : HCl
Mol.Wt.: 277.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 93413-69-5 (free base)

Venlafaxine EP Impurity A 

Picture of Venlafaxine EP Impurity A 
CAT No: SZ-V007004
CAS No: 775-33-7
Mol.F. : C11H17NO
Mol.Wt. : 179.3
Inv. Status: In Stock
SZ-V007004
CAS No:775-33-7
Mol.F.: C11H17NO 
Mol.Wt.: 179.3
Inv. Status: In Stock

Venlafaxine EP Impurity B

Picture of Venlafaxine EP Impurity B
CAT No: SZ-V007005
CAS No: 2174001-92-2
Mol.F. : C14H21NO3 : HCl
Mol.Wt. : 251.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 323176-93-8 (free base)
SZ-V007005
CAS No:2174001-92-2
Mol.F.: C14H21NO3 : HCl
Mol.Wt.: 251.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 323176-93-8 (free base)

Venlafaxine EP Impurity C (HCl)

Picture of Venlafaxine EP Impurity C (HCl)
CAT No: SZ-V007006
CAS No: 130198-05-9
Mol.F. : C15H23NO2 : HCl
Mol.Wt. : 249.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 93413-77-5 (free base)
SZ-V007006
CAS No:130198-05-9
Mol.F.: C15H23NO2 : HCl
Mol.Wt.: 249.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 93413-77-5 (free base)

Venlafaxine EP Impurity D 

Picture of Venlafaxine EP Impurity D 
CAT No: SZ-V007007
CAS No: 149289-30-5
Mol.F. : C16H25NO2
Mol.Wt. : 263.4
Inv. Status: In Stock
Rel. CAS No : 93413-90-2 (HCl salt)
SZ-V007007
CAS No:149289-30-5
Mol.F.: C16H25NO2
Mol.Wt.: 263.4
Inv. Status: In Stock
Rel. CAS No : 93413-90-2 (HCl salt)

Venlafaxine EP Impurity E

Picture of Venlafaxine EP Impurity E
CAT No: SZ-V007008
CAS No: 93413-70-8
Mol.F. : C17H25NO2
Mol.Wt. : 275.4
Inv. Status: Limited Stock
SZ-V007008
CAS No:93413-70-8
Mol.F.: C17H25NO2
Mol.Wt.: 275.4
Inv. Status: Limited Stock

Venlafaxine EP Impurity F (HCl salt)

Picture of Venlafaxine EP Impurity F (HCl salt)
CAT No: SZ-V007009
CAS No: 93413-79-7
Mol.F. : C17H25NO : HCl
Mol.Wt. : 259.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 93413-57-1 (free base)
SZ-V007009
CAS No:93413-79-7
Mol.F.: C17H25NO : HCl
Mol.Wt.: 259.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 93413-57-1 (free base)

Venlafaxine EP Impurity G

Picture of Venlafaxine EP Impurity G
CAT No: SZ-V007010
CAS No: 2108968-20-1
Mol.F. : C17H27NO : HCl
Mol.Wt. : 261.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1076199-92-2 (free base)
SZ-V007010
CAS No:2108968-20-1
Mol.F.: C17H27NO : HCl
Mol.Wt.: 261.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1076199-92-2 (free base)

Venlafaxine EP Impurity H (Base)

Picture of Venlafaxine EP Impurity H (Base)
CAT No: SZ-V007011
CAS No: 1329795-88-1
Mol.F. : C24H33NO3
Mol.Wt. : 383.5
Inv. Status: In Stock
SZ-V007011
CAS No:1329795-88-1
Mol.F.: C24H33NO3 
Mol.Wt.: 383.5
Inv. Status: In Stock

Venlafaxine N-Oxide

Picture of Venlafaxine N-Oxide
CAT No: SZ-V007014
CAS No: 1094598-37-4
Mol.F. : C17H27NO3
Mol.Wt. : 293.4
Inv. Status: In Stock
SZ-V007014
CAS No:1094598-37-4
Mol.F.: C17H27NO3 
Mol.Wt.: 293.4
Inv. Status: In Stock

Venlafaxine O-Desmethyl Impurity

Picture of Venlafaxine O-Desmethyl Impurity
CAT No: SZ-V007015
CAS No: 93413-62-8
Mol.F. : C16H25NO2
Mol.Wt. : 263.4
Inv. Status: In Stock
SZ-V007015
CAS No:93413-62-8
Mol.F.: C16H25NO2 
Mol.Wt.: 263.4
Inv. Status: In Stock

Venlafaxine O-Desmethyl N,N-Didesmethyl Impurity

Picture of Venlafaxine O-Desmethyl N,N-Didesmethyl Impurity
CAT No: SZ-V007016
CAS No: 149289-29-2
Mol.F. : C14H21NO2
Mol.Wt. : 235.3
Inv. Status: In Stock
Rel. CAS No : 135308-76-8 (HCl salt)
SZ-V007016
CAS No:149289-29-2
Mol.F.: C14H21NO2 
Mol.Wt.: 235.3
Inv. Status: In Stock
Rel. CAS No : 135308-76-8 (HCl salt)

Venlafaxine R-Isomer

Picture of Venlafaxine R-Isomer
CAT No: SZ-V007020
CAS No: 93413-46-8
Mol.F. : C17H27NO2
Mol.Wt. : 277.4
Inv. Status: Custom Synthesis
SZ-V007020
CAS No:93413-46-8
Mol.F.: C17H27NO2
Mol.Wt.: 277.4
Inv. Status: Custom Synthesis

Venlafaxine S-Isomer 

Picture of Venlafaxine S-Isomer 
CAT No: SZ-V007021
CAS No: 93413-44-6
Mol.F. : C17H27NO2
Mol.Wt. : 277.4
Inv. Status: Custom Synthesis
SZ-V007021
CAS No:93413-44-6
Mol.F.: C17H27NO2 
Mol.Wt.: 277.4
Inv. Status: Custom Synthesis

D,L-O-Desmethyl Venlafaxine N-Oxide

Picture of D,L-O-Desmethyl Venlafaxine N-Oxide
CAT No: SZ-V007025
CAS No: 1021933-95-8
Mol.F. : C16H25NO3
Mol.Wt. : 279.4
Inv. Status: In Stock
SZ-V007025
CAS No:1021933-95-8
Mol.F.: C16H25NO3
Mol.Wt.: 279.4
Inv. Status: In Stock

Venlafaxine Anhydro O-Desmethyl Impurity

Picture of Venlafaxine Anhydro O-Desmethyl Impurity
CAT No: SZ-V007026
CAS No: 1346600-38-1
Mol.F. : C16H23NO
Mol.Wt. : 245.4
Inv. Status: In Stock
SZ-V007026
CAS No:1346600-38-1
Mol.F.: C16H23NO 
Mol.Wt.: 245.4
Inv. Status: In Stock

Venlafaxine Cyano Impurity

Picture of Venlafaxine Cyano Impurity
CAT No: SZ-V007027
CAS No: 93413-76-4
Mol.F. : C15H19NO2
Mol.Wt. : 245.3
Inv. Status: In Stock
SZ-V007027
CAS No:93413-76-4
Mol.F.: C15H19NO2 
Mol.Wt.: 245.3
Inv. Status: In Stock

Venlafaxine Desmethoxy Impurity

Picture of Venlafaxine Desmethoxy Impurity
CAT No: SZ-V007028
CAS No: 93413-82-2
Mol.F. : C16H26ClNO
Mol.Wt. : 283.8
Inv. Status: Custom Synthesis
SZ-V007028
CAS No:93413-82-2
Mol.F.: C16H26ClNO 
Mol.Wt.: 283.8
Inv. Status: Custom Synthesis

Venlafaxine O-Desmethyl Cyclic Impurity

Picture of Venlafaxine O-Desmethyl Cyclic Impurity
CAT No: SZ-V007029
CAS No: 1346601-55-5
Mol.F. : C16H23NO2
Mol.Wt. : 261.4
Inv. Status: In Stock
SZ-V007029
CAS No:1346601-55-5
Mol.F.: C16H23NO2
Mol.Wt.: 261.4
Inv. Status: In Stock

Venlafaxine Impurity 1

Picture of Venlafaxine Impurity 1
CAT No: SZ-V007031
CAS No: 627810-07-5
Mol.F. : C17H25NO3
Mol.Wt. : 291.4
Inv. Status: Custom Synthesis
SZ-V007031
CAS No:627810-07-5
Mol.F.: C17H25NO3
Mol.Wt.: 291.4
Inv. Status: Custom Synthesis

Venlafaxine Impurity 2

Picture of Venlafaxine Impurity 2
CAT No: SZ-V007032
CAS No: 295366-48-2
Mol.F. : C17H25NO3
Mol.Wt. : 291.4
Inv. Status: In Stock
SZ-V007032
CAS No:295366-48-2
Mol.F.: C17H25NO3
Mol.Wt.: 291.4
Inv. Status: In Stock

Venlafaxine EP Impurity A (HCl Salt)

Picture of Venlafaxine EP Impurity A (HCl Salt)
CAT No: SZ-V007033
CAS No: 50822-98-5
Mol.F. : C11H17NO : HCl
Mol.Wt. : 179.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 775-33-7 (free base)
SZ-V007033
CAS No:50822-98-5
Mol.F.: C11H17NO : HCl
Mol.Wt.: 179.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 775-33-7 (free base)

Venlafaxine Impurity 3

Picture of Venlafaxine Impurity 3
CAT No: SZ-V007034
CAS No: 2223072-89-5
Mol.F. : C15H21NO : HCl
Mol.Wt. : 231.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 2223072-88-4 (free base)
SZ-V007034
CAS No:2223072-89-5
Mol.F.: C15H21NO : HCl
Mol.Wt.: 231.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 2223072-88-4 (free base)

Venlafaxine Hydroxy Methyl Impurity

Picture of Venlafaxine Hydroxy Methyl Impurity
CAT No: SZ-V007035
CAS No: NA
Mol.F. : C18H29NO3 : HCl
Mol.Wt. : 307.4 : 36.5
Inv. Status: Custom Synthesis
SZ-V007035
CAS No:NA
Mol.F.: C18H29NO3 : HCl
Mol.Wt.: 307.4 : 36.5
Inv. Status: Custom Synthesis

Venlafaxine Impurity 4

Picture of Venlafaxine Impurity 4
CAT No: SZ-V007036
CAS No: 19625-79-7
Mol.F. : C11H15NO2
Mol.Wt. : 193.2
Inv. Status: Custom Synthesis
SZ-V007036
CAS No:19625-79-7
Mol.F.: C11H15NO2
Mol.Wt.: 193.2
Inv. Status: Custom Synthesis

Venlafaxine Impurity 5

Picture of Venlafaxine Impurity 5
CAT No: SZ-V007037
CAS No: 1346601-14-6
Mol.F. : C25H35NO3
Mol.Wt. : 397.6
Inv. Status: In Stock
SZ-V007037
CAS No:1346601-14-6
Mol.F.: C25H35NO3
Mol.Wt.: 397.6
Inv. Status: In Stock

Venlafaxine

Picture of Venlafaxine
CAT No: SZ-V007038
CAS No: 93413-69-5
Mol.F. : C17H27NO2
Mol.Wt. : 277.4
Inv. Status: In Stock
Rel. CAS No : 99300-78-4 (HCl salt)
SZ-V007038
CAS No:93413-69-5
Mol.F.: C17H27NO2
Mol.Wt.: 277.4
Inv. Status: In Stock
Rel. CAS No : 99300-78-4 (HCl salt)

Venlafaxine Impurity 6

Picture of Venlafaxine Impurity 6
CAT No: SZ-V007039
CAS No: 2733200-09-2
Mol.F. : C14H17NO2
Mol.Wt. : 231.3
Inv. Status: Custom Synthesis
SZ-V007039
CAS No:2733200-09-2
Mol.F.: C14H17NO2
Mol.Wt.: 231.3
Inv. Status: Custom Synthesis

Venlafaxine EP Impurity D HCl

Picture of Venlafaxine EP Impurity D HCl
CAT No: SZ-V007040
CAS No: 93413-90-2
Mol.F. : C16H25NO2 : HCl
Mol.Wt. : 263.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 149289-30-5 (free base) 
SZ-V007040
CAS No:93413-90-2
Mol.F.: C16H25NO2 : HCl
Mol.Wt.: 263.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 149289-30-5 (free base) 

Venlafaxine Succinate

Picture of Venlafaxine Succinate
CAT No: SZ-V007041
CAS No: 860399-39-9
Mol.F. : C17H27NO2 : C4H6O4
Mol.Wt. : 277.4 : 118.1
Inv. Status: In Stock
Rel. CAS No : 93413-69-5 (free base) ; 99300-78-4 (HCl salt)
SZ-V007041
CAS No:860399-39-9
Mol.F.: C17H27NO2 : C4H6O4
Mol.Wt.: 277.4 : 118.1
Inv. Status: In Stock
Rel. CAS No : 93413-69-5 (free base) ; 99300-78-4 (HCl salt)

Venlafaxine Impurity 7

Picture of Venlafaxine Impurity 7
CAT No: SZ-V007049
CAS No: 272788-07-5
Mol.F. : C16H23NO3
Mol.Wt. : 277.4
Inv. Status: Custom Synthesis
SZ-V007049
CAS No:272788-07-5
Mol.F.: C16H23NO3
Mol.Wt.: 277.4
Inv. Status: Custom Synthesis

Venlafaxine Impurity 8

Picture of Venlafaxine Impurity 8
CAT No: SZ-V007050
CAS No: 2641915-09-3
Mol.F. : C15H17NO
Mol.Wt. : 227.3
Inv. Status: Custom Synthesis
SZ-V007050
CAS No:2641915-09-3
Mol.F.: C15H17NO
Mol.Wt.: 227.3
Inv. Status: Custom Synthesis

Venlafaxine Impurity 9

Picture of Venlafaxine Impurity 9
CAT No: SZ-V007051
CAS No: 1997279-63-6
Mol.F. : C17H25NO
Mol.Wt. : 259.4
Inv. Status: Custom Synthesis
SZ-V007051
CAS No:1997279-63-6
Mol.F.: C17H25NO
Mol.Wt.: 259.4
Inv. Status: Custom Synthesis

Venlafaxine Hydroxy Nitrile Impurity

Picture of Venlafaxine Hydroxy Nitrile Impurity
CAT No: SZ-V007052
CAS No: 1574357-68-8
Mol.F. : C16H23NO
Mol.Wt. : 245.4
Inv. Status: Custom Synthesis
SZ-V007052
CAS No:1574357-68-8
Mol.F.: C16H23NO
Mol.Wt.: 245.4
Inv. Status: Custom Synthesis

Venlafaxine EP Impurity F

Picture of Venlafaxine EP Impurity F
CAT No: SZ-V007053
CAS No: 93413-57-1
Mol.F. : C17H25NO
Mol.Wt. : 259.4
Inv. Status: Custom Synthesis
Rel. CAS No : 93413-79-7 (HCl salt)
SZ-V007053
CAS No:93413-57-1
Mol.F.: C17H25NO
Mol.Wt.: 259.4
Inv. Status: Custom Synthesis
Rel. CAS No : 93413-79-7 (HCl salt)

Stable Isotopes And Metabolites

Venlafaxine D3

Picture of Venlafaxine D3
CAT No: SZ-V007D01
CAS No: 940297-28-9
Mol.F. : C17H24D3NO2
Mol.Wt. : 280.4
Inv. Status: Custom Synthesis
SZ-V007D01
CAS No:940297-28-9
Mol.F.: C17H24D3NO2
Mol.Wt.: 280.4
Inv. Status: Custom Synthesis

Venlafaxine D6

Picture of Venlafaxine D6
CAT No: SZ-V007D02
CAS No: 940297-06-3
Mol.F. : C17H21D6NO2
Mol.Wt. : 283.4
Inv. Status: Custom Synthesis
SZ-V007D02
CAS No:940297-06-3
Mol.F.: C17H21D6NO2
Mol.Wt.: 283.4
Inv. Status: Custom Synthesis

Venlafaxine D10

Picture of Venlafaxine D10
CAT No: SZ-V007D03
CAS No: 940297-16-5
Mol.F. : C17H17D10NO2
Mol.Wt. : 287.5
Inv. Status: Custom Synthesis
SZ-V007D03
CAS No:940297-16-5
Mol.F.: C17H17D10NO2
Mol.Wt.: 287.5
Inv. Status: Custom Synthesis

O-Desmethyl Venlafaxine D6

Picture of O-Desmethyl Venlafaxine D6
CAT No: SZ-V007D04
CAS No: 1062605-69-9
Mol.F. : C16H19D6NO2
Mol.Wt. : 269.4
Inv. Status: Custom Synthesis
SZ-V007D04
CAS No:1062605-69-9
Mol.F.: C16H19D6NO2
Mol.Wt.: 269.4
Inv. Status: Custom Synthesis

O-Desmethyl Venlafaxine D11

Picture of O-Desmethyl Venlafaxine D11
CAT No: SZ-V007D05
CAS No: 1062607-67-3
Mol.F. : C16H14D11NO2
Mol.Wt. : 274.4
Inv. Status: Custom Synthesis
SZ-V007D05
CAS No:1062607-67-3
Mol.F.: C16H14D11NO2
Mol.Wt.: 274.4
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Venlafaxine EP Impurity H

Picture of N-Nitroso Venlafaxine EP Impurity H
CAT No: SZ-V007042
CAS No: NA
Mol.F. : C24H32N2O4
Mol.Wt. : 412.5
Inv. Status: In Stock
SZ-V007042
CAS No:NA
Mol.F.: C24H32N2O4
Mol.Wt.: 412.5
Inv. Status: In Stock

N-Nitroso Venlafaxine EP Impurity D

Picture of N-Nitroso Venlafaxine EP Impurity D
CAT No: SZ-V007043
CAS No: 2680662-11-5
Mol.F. : C16H24N2O3
Mol.Wt. : 292.4
Inv. Status: In Stock
SZ-V007043
CAS No:2680662-11-5
Mol.F.: C16H24N2O3
Mol.Wt.: 292.4
Inv. Status: In Stock

N-Nitroso Venlafaxine Impurity 3

Picture of N-Nitroso Venlafaxine Impurity 3
CAT No: SZ-V007044
CAS No: NA
Mol.F. : C10H14N2O2
Mol.Wt. : 194.2
Inv. Status: Custom Synthesis
SZ-V007044
CAS No:NA
Mol.F.: C10H14N2O2
Mol.Wt.: 194.2
Inv. Status: Custom Synthesis

N-Nitroso Venlafaxine Impurity 4

Picture of N-Nitroso Venlafaxine Impurity 4
CAT No: SZ-V007045
CAS No: NA
Mol.F. : C16H22N2O3
Mol.Wt. : 290.4
Inv. Status: Custom Synthesis
SZ-V007045
CAS No:NA
Mol.F.: C16H22N2O3
Mol.Wt.: 290.4
Inv. Status: Custom Synthesis

N-Nitroso Venlafaxine Impurity 5

Picture of N-Nitroso Venlafaxine Impurity 5
CAT No: SZ-V007046
CAS No: NA
Mol.F. : C16H22N2O2
Mol.Wt. : 274.4
Inv. Status: Custom Synthesis
SZ-V007046
CAS No:NA
Mol.F.: C16H22N2O2
Mol.Wt.: 274.4
Inv. Status: Custom Synthesis

N-Nitroso Venlafaxine Impurity 6

Picture of N-Nitroso Venlafaxine Impurity 6
CAT No: SZ-V007047
CAS No: NA
Mol.F. : C16H24N2O2
Mol.Wt. : 276.4
Inv. Status: Custom Synthesis
SZ-V007047
CAS No:NA
Mol.F.: C16H24N2O2
Mol.Wt.: 276.4
Inv. Status: Custom Synthesis