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Verapamil Related Products


Verapamil is a medication primarily used to treat high blood pressure, certain types of arrhythmias and angina. It is a calcium channel blocker (CCB) that works by inhibiting the influx of calcium ions into heart and smooth muscle cells.


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

Verapamil-related products are thoroughly characterized. Verapamil 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

Verapamil EP Impurity A

Picture of Verapamil EP Impurity A
SZ CAT No:: SZ-V021002
CAS No: 141991-88-0
Mol.F.: C25H38N2O4
Mol.Wt.: 430.6
Inv. Status: In Stock
Rel. CAS No: 63434-11-7 (Dihydrochloride salt)

Verapamil EP Impurity B

Picture of Verapamil EP Impurity B
SZ CAT No:: SZ-V021003
CAS No: 3490-06-0
Mol.F.: C11H17NO2
Mol.Wt.: 195.2
Inv. Status: In Stock

Verapamil EP Impurity B HCl

Picture of Verapamil EP Impurity B HCl
SZ CAT No:: SZ-V021023
CAS No: 13078-76-7
Mol.F.: C11H17NO2 : HCl
Mol.Wt.: 195.3 : 36.5
Inv. Status: In Stock

Verapamil EP Impurity C

Picture of Verapamil EP Impurity C
SZ CAT No:: SZ-V021004
CAS No: 3490-05-9 
Mol.F.: C12H19NO2
Mol.Wt.: 209.3
Inv. Status: In Stock

Verapamil EP Impurity D (HCl salt)

Picture of Verapamil EP Impurity D (HCl salt)
SZ CAT No:: SZ-V021027
CAS No: 36770-75-9
Mol.F.: C14H22ClNO2 : HCl
Mol.Wt.: 271.8 : 36.5
Inv. Status: In Stock
Rel. CAS No: 36770-74-8 (free base)

Verapamil EP Impurity E

Picture of Verapamil EP Impurity E
SZ CAT No:: SZ-V021006
CAS No: 93-03-8 
Mol.F.: C9H12O3
Mol.Wt.: 168.2
Inv. Status: In Stock

Verapamil EP Impurity F

Picture of Verapamil EP Impurity F
SZ CAT No:: SZ-V021007
CAS No: 34245-14-2
Mol.F.: C17H26N2O2
Mol.Wt.: 290.4
Inv. Status: In Stock
Rel. CAS No: 67775-97-7 (HCl salt)

Verapamil EP Impurity F (HCl)

Picture of Verapamil EP Impurity F (HCl)
SZ CAT No:: SZ-V021031
CAS No: 67775-97-7
Mol.F.: C17H26N2O2 : HCl
Mol.Wt.: 290.4 : 36.5
Inv. Status: In Stock
Rel. CAS No: 34245-14-2 (free base)

Verapamil EP Impurity G

Picture of Verapamil EP Impurity G
SZ CAT No:: SZ-V021008
CAS No: 120-14-9 
Mol.F.: C9H10O3
Mol.Wt.: 166.2
Inv. Status: In Stock

Verapamil EP Impurity H

Picture of Verapamil EP Impurity H
SZ CAT No:: SZ-V021009
CAS No: 190850-49-8
Mol.F.: C26H36N2O4 : HCl
Mol.Wt.: 440.6 : 36.5
Inv. Status: In Stock
Rel. CAS No: 67018-83-1 (free base)

Verapamil EP Impurity I

Picture of Verapamil EP Impurity I
SZ CAT No:: SZ-V021010
CAS No: 2893-91-6 
Mol.F.: C26H36N2O4
Mol.Wt.: 440.6
Inv. Status: In Stock
Rel. CAS No: 1794-55-4 (HCl salt)

Verapamil EP Impurity I (HCl salt)

Picture of Verapamil EP Impurity I (HCl salt)
SZ CAT No:: SZ-V021047
CAS No: 1794-55-4
Mol.F.: C26H36N2O4 : HCl
Mol.Wt.: 440.6 : 36.5
Inv. Status: In Stock
Rel. CAS No: 2893-91-6 (free base)

Verapamil EP Impurity J

Picture of Verapamil EP Impurity J
SZ CAT No:: SZ-V021011
CAS No: 67018-85-3
Mol.F.: C26H36N2O4
Mol.Wt.: 440.6
Inv. Status: In Stock
Rel. CAS No: 67812-42-4 (HCl salt)

Verapamil EP Impurity K

Picture of Verapamil EP Impurity K
SZ CAT No:: SZ-V021012
CAS No: 20850-49-1
Mol.F.: C13H17NO2
Mol.Wt.: 219.3
Inv. Status: In Stock

Verapamil EP Impurity L

Picture of Verapamil EP Impurity L
SZ CAT No:: SZ-V021013
CAS No: 14046-55-0 
Mol.F.: C12H16O3
Mol.Wt.: 208.3
Inv. Status: In Stock

Verapamil EP Impurity M

Picture of Verapamil EP Impurity M
SZ CAT No:: SZ-V021014
CAS No: 190850-50-1
Mol.F.: C42H57N3O6 : HCl
Mol.Wt.: 699.9 : 36.5
Inv. Status: In Stock
Rel. CAS No: 141991-89-1 (free base)

Verapamil EP Impurity N

Picture of Verapamil EP Impurity N
SZ CAT No:: SZ-V021015
CAS No: 2086274-75-9
Mol.F.: C33H47N3O4
Mol.Wt.: 549.8
Inv. Status: In Stock

Verapamil EP Impurity O

Picture of Verapamil EP Impurity O
SZ CAT No:: SZ-V021016
CAS No: 959011-16-6 
Mol.F.: C27H38N2O4
Mol.Wt.: 454.6
Inv. Status: In Stock

Verapamil EP Impurity P

Picture of Verapamil EP Impurity P
SZ CAT No:: SZ-V021017
CAS No: 2086275-13-8 
Mol.F.: C29H38N2O4
Mol.Wt.: 478.6
Inv. Status: In Stock

Verapamil Hydrochloride

Picture of Verapamil Hydrochloride
SZ CAT No:: SZ-V021001
CAS No: 152-11-4
Mol.F.: C27H38N2O4 : HCl
Mol.Wt.: 454.6 : 36.5
Inv. Status: In Stock
Rel. CAS No: 52-53-9 (free base)

Verapamil N-Oxide (HCl salt)

Picture of Verapamil N-Oxide (HCl salt)
SZ CAT No:: SZ-V021026
CAS No: NA
Mol.F.: C27H38N2O5 : HCl
Mol.Wt.: 470.6 : 36.5
Inv. Status: In Stock
Rel. CAS No: 123861-30-3 (free base)

Verapamil

Picture of Verapamil
SZ CAT No:: SZ-V021038
CAS No: 52-53-9
Mol.F.: C27H38N2O4
Mol.Wt.: 454.6
Inv. Status: Custom Synthesis
Rel. CAS No: 152-11-4 (HCl salt)

Verapamil Dimer Impurity 1

Picture of Verapamil Dimer Impurity 1
SZ CAT No:: SZ-V021035
CAS No: 24997-88-4
Mol.F.: C20H27NO4
Mol.Wt.: 345.4
Inv. Status: Custom Synthesis

Verapamil EP Impurity J (HCl salt)

Picture of Verapamil EP Impurity J (HCl salt)
SZ CAT No:: SZ-V021037
CAS No: 67812-42-4
Mol.F.: C26H36N2O4 : HCl
Mol.Wt.: 440.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 67018-85-3 (free base)

Verapamil Impurity 10

Picture of Verapamil Impurity 10
SZ CAT No:: SZ-V021040
CAS No: 26056-32-6
Mol.F.: C12H15NO
Mol.Wt.: 189.3
Inv. Status: Custom Synthesis

Verapamil Impurity 11

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SZ CAT No:: SZ-V021041
CAS No: 1186231-27-5
Mol.F.: C12H16N2O
Mol.Wt.: 204.3
Inv. Status: Custom Synthesis

Verapamil Impurity 12

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SZ CAT No:: SZ-V021042
CAS No: 92040-70-5
Mol.F.: C13H17NO2
Mol.Wt.: 219.3
Inv. Status: Custom Synthesis

Verapamil Impurity 13

Picture of Verapamil Impurity 13
SZ CAT No:: SZ-V021043
CAS No: 371214-67-4
Mol.F.: C13H17NO2
Mol.Wt.: 219.3
Inv. Status: Custom Synthesis

Verapamil Impurity 14

Picture of Verapamil Impurity 14
SZ CAT No:: SZ-V021044
CAS No: 1082435-26-4
Mol.F.: C13H17NO2
Mol.Wt.: 219.3
Inv. Status: Custom Synthesis

Verapamil Impurity 15

Picture of Verapamil Impurity 15
SZ CAT No:: SZ-V021045
CAS No: 120353-00-6
Mol.F.: C13H17NO2
Mol.Wt.: 219.3
Inv. Status: Custom Synthesis

Verapamil Impurity 16

Picture of Verapamil Impurity 16
SZ CAT No:: SZ-V021046
CAS No: 2110666-93-6
Mol.F.: C13H17NO2
Mol.Wt.: 219.3
Inv. Status: Custom Synthesis

Verapamil Impurity 19

Picture of Verapamil Impurity 19
SZ CAT No:: SZ-V021050
CAS No: NA
Mol.F.: C27H36N2O5
Mol.Wt.: 468.6
Inv. Status: Custom Synthesis

Verapamil Impurity 3

Picture of Verapamil Impurity 3
SZ CAT No:: SZ-V021024
CAS No: 77326-93-3
Mol.F.: C26H36N2O4
Mol.Wt.: 440.6
Inv. Status: Custom Synthesis

Verapamil Impurity 4

Picture of Verapamil Impurity 4
SZ CAT No:: SZ-V021025
CAS No: 67018-80-8
Mol.F.: C26H36N2O4
Mol.Wt.: 440.6
Inv. Status: Custom Synthesis

Verapamil Impurity 5

Picture of Verapamil Impurity 5
SZ CAT No:: SZ-V021032
CAS No: 93-17-4
Mol.F.: C10H11NO2
Mol.Wt.: 177.2
Inv. Status: Custom Synthesis

Verapamil Impurity 6

Picture of Verapamil Impurity 6
SZ CAT No:: SZ-V021033
CAS No: 51698-54-5
Mol.F.: C16H23NO2
Mol.Wt.: 261.4
Inv. Status: Custom Synthesis

Verapamil Impurity 7

Picture of Verapamil Impurity 7
SZ CAT No:: SZ-V021034
CAS No: 7306-46-9
Mol.F.: C9H11ClO2
Mol.Wt.: 186.6
Inv. Status: Custom Synthesis

Verapamil Impurity 8

Picture of Verapamil Impurity 8
SZ CAT No:: SZ-V021036
CAS No: 39066-05-2
Mol.F.: C12H15NO2
Mol.Wt.: 205.3
Inv. Status: Custom Synthesis

Verapamil Impurity 9

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SZ CAT No:: SZ-V021039
CAS No: 21852-32-4
Mol.F.: C9H11BrO2
Mol.Wt.: 231.1
Inv. Status: Custom Synthesis

Nor Verapamil N-β-D-Glucuronide

Picture of Nor Verapamil N-β-D-Glucuronide
SZ CAT No:: SZ-V021020
CAS No: 126883-99-6
Mol.F.: C32H44N2O10
Mol.Wt.: 616.7
Inv. Status: Under Synthesis

R-Verapamil

Picture of R-Verapamil
SZ CAT No:: SZ-V021019
CAS No: 38321-02-7
Mol.F.: C27H38N2O4
Mol.Wt.: 454.6
Inv. Status: Under Synthesis

S-Verapamil

Picture of S-Verapamil
SZ CAT No:: SZ-V021018
CAS No: 36622-29-4
Mol.F.: C27H38N2O4
Mol.Wt.: 454.6
Inv. Status: Under Synthesis

Verapamil Impurity 1 HBr

Picture of Verapamil Impurity 1 HBr
SZ CAT No:: SZ-V021021
CAS No: NA
Mol.F.: C12H19NO2 : HBr
Mol.Wt.: 209.3 : 80.9
Inv. Status: Under Synthesis
Rel. CAS No: 1551304-28-9 (free base)

Verapamil Impurity 17

Picture of Verapamil Impurity 17
SZ CAT No:: SZ-V021048
CAS No: 1835-02-5
Mol.F.: C10H11BrO3
Mol.Wt.: 259.1
Inv. Status: Under Synthesis

Verapamil Impurity 18

Picture of Verapamil Impurity 18
SZ CAT No:: SZ-V021049
CAS No: 29705-77-9
Mol.F.: C11H15NO3
Mol.Wt.: 209.2
Inv. Status: Under Synthesis

Verapamil Impurity 2

Picture of Verapamil Impurity 2
SZ CAT No:: SZ-V021022
CAS No: NA
Mol.F.: C27H38N2O5 
Mol.Wt.: 470.6
Inv. Status: Under Synthesis

Verapamil Impurity 20

Picture of Verapamil Impurity 20
SZ CAT No:: SZ-V021051
CAS No: 147158-72-3
Mol.F.: C26H36N2O4 : HCl
Mol.Wt.: 440.6 : 36.5
Inv. Status: Under Synthesis
Rel. CAS No: 123931-31-7 (Free base)

Verapamil Impurity 21

Picture of Verapamil Impurity 21
SZ CAT No:: SZ-V021052
CAS No: 147158-71-2
Mol.F.: C26H36N2O4 : HCl
Mol.Wt.: 440.6 : 36.5
Inv. Status: Under Synthesis
Rel. CAS No: 123932-43-4 (Free base)

Verapamil Impurity 22

Picture of Verapamil Impurity 22
SZ CAT No:: SZ-V021053
CAS No: 66618-12-0
Mol.F.: C14H22BrNO2
Mol.Wt.: 316.2
Inv. Status: Under Synthesis

Verapamil Impurity 23

Picture of Verapamil Impurity 23
SZ CAT No:: SZ-V021054
CAS No: 114847-42-6
Mol.F.: C26H36N2O4
Mol.Wt.: 440.6
Inv. Status: Under Synthesis

Verapamil Impurity 24

Picture of Verapamil Impurity 24
SZ CAT No:: SZ-V021055
CAS No: 71636-38-9
Mol.F.: C19H24ClNO4
Mol.Wt.: 365.9
Inv. Status: Under Synthesis

Verapamil Impurity 25

Picture of Verapamil Impurity 25
SZ CAT No:: SZ-V021056
CAS No: 27487-83-8
Mol.F.: C16H22ClNO2
Mol.Wt.: 295.8
Inv. Status: Under Synthesis

Stable Isotopes And Metabolites

(S)-(-)-Nor Verapamil -D6 HCl

Picture of (S)-(-)-Nor Verapamil -D6 HCl
SZ CAT No:: SZ-V021D07
CAS No: NA
Mol.F.: C26H30D6N2O4 : HCl
Mol.Wt.: 446.6 : 36.5
Inv. Status: Custom Synthesis

Nor Verapamil D6

Picture of Nor Verapamil D6
SZ CAT No:: SZ-V021D04
CAS No: 1329651-21-9
Mol.F.: C26H30D6N2O4 : HCl
Mol.Wt.: 446.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 1329747-21-8 (free base)

Norverapamil D7

Picture of Norverapamil D7
SZ CAT No:: SZ-V021D05
CAS No: 263175-44-6
Mol.F.: C26H29D7N2O4
Mol.Wt.: 447.6
Inv. Status: Custom Synthesis

Verapamil D3

Picture of Verapamil D3
SZ CAT No:: SZ-V021D01
CAS No: 152561-91-6
Mol.F.: C27H35D3N2O4
Mol.Wt.: 457.6
Inv. Status: Custom Synthesis

Verapamil D6

Picture of Verapamil D6
SZ CAT No:: SZ-V021D03
CAS No: 1185032-80-7
Mol.F.: C27H32D6N2O4 : HCl
Mol.Wt.: 460.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 1185193-17-2 (free base)

Verapamil D7

Picture of Verapamil D7
SZ CAT No:: SZ-V021D02
CAS No: 100578-79-8
Mol.F.: C27H31D7N2O4
Mol.Wt.: 461.7
Inv. Status: Custom Synthesis

(S)-(-)-Verapamil-d6 HCl

Picture of (S)-(-)-Verapamil-d6 HCl
SZ CAT No:: SZ-V021D06
CAS No: 1329611-24-6
Mol.F.: C27H32D6N2O4 : HCl
Mol.Wt.: 460.6 : 36.5
Inv. Status: Under Synthesis
Rel. CAS No: 1329745-97-2 (Free base)

Possible Nitroso Standards

N-Nitroso Verapamil EP Impurity B

Picture of N-Nitroso Verapamil EP Impurity B
SZ CAT No:: SZ-V021028
CAS No: 3036886-78-6
Mol.F.: C11H16N2O3
Mol.Wt.: 224.3
Inv. Status: In Stock

N-Nitroso Verapamil EP Impurity F

Picture of N-Nitroso Verapamil EP Impurity F
SZ CAT No:: SZ-V021029
CAS No: NA
Mol.F.: C17H25N3O3
Mol.Wt.: 319.4
Inv. Status: In Stock

N-Nitroso Verapamil EP Impurity J

Picture of N-Nitroso Verapamil EP Impurity J
SZ CAT No:: SZ-V021030
CAS No: NA
Mol.F.: C26H35N3O5
Mol.Wt.: 469.6
Inv. Status: In Stock
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