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Tolterodine Related Products


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

Tolterodine-related products are thoroughly characterized. Tolterodine 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

Racemic Tolterodine

Picture of Racemic Tolterodine
SZ CAT No:: SZ-T017002
CAS No: 124936-74-9
Mol.F.: C22H31NO
Mol.Wt.: 325.5
Inv. Status: In Stock

Tolteridone Dimer

Picture of Tolteridone Dimer
SZ CAT No:: SZ-T017029
CAS No: NA
Mol.F.: C45H62N2O2 : 2(CHO2)
Mol.Wt.: 663 : 2(45.0)
Inv. Status: In Stock

Tolterodine 5-Hydroxymethyl Analog (R)-Isomer

Picture of Tolterodine 5-Hydroxymethyl Analog (R)-Isomer
SZ CAT No:: SZ-T017003
CAS No: 207679-81-0
Mol.F.: C22H31NO2
Mol.Wt.: 341.5
Inv. Status: In Stock
Rel. CAS No: 380636-50-0 (fumarate salt)

Tolterodine Diol Acetate Impurity

Picture of Tolterodine Diol Acetate Impurity
SZ CAT No:: SZ-T017028
CAS No: 2514856-06-3
Mol.F.: C18H20O3 
Mol.Wt.: 284.4
Inv. Status: In Stock

Tolterodine EP Impurity C

Picture of Tolterodine EP Impurity C
SZ CAT No:: SZ-T017031
CAS No: 124935-88-2
Mol.F.: C23H33NO 
Mol.Wt.: 339.5
Inv. Status: In Stock

Tolterodine EP Impurity E

Picture of Tolterodine EP Impurity E
SZ CAT No:: SZ-T017012
CAS No: 480432-14-2
Mol.F.: C19H25NO
Mol.Wt.: 283.4
Inv. Status: In Stock

Tolterodine EP Impurity F

Picture of Tolterodine EP Impurity F
SZ CAT No:: SZ-T017019
CAS No: NA
Mol.F.: C22H31NO : C4H6O6
Mol.Wt.: 325.5 : 150.1
Inv. Status: In Stock
Rel. CAS No: 124937-53-7 (free base)

Tolterodine EP Impurity G (TFA Salt)

Picture of Tolterodine EP Impurity G (TFA Salt)
SZ CAT No:: SZ-T017020
CAS No: 1554029-92-3
Mol.F.: C22H31NO2 : C2F3O2
Mol.Wt.: 342.5 : 113.0
Inv. Status: In Stock
Rel. CAS No: 1554029-91-2 (free base)

Tolterodine Impurity 10

Picture of Tolterodine Impurity 10
SZ CAT No:: SZ-T017042
CAS No: 894773-86-5
Mol.F.: C18H22O6S2
Mol.Wt.: 398.5
Inv. Status: In Stock

Tolterodine Impurity 5

Picture of Tolterodine Impurity 5
SZ CAT No:: SZ-T017036
CAS No: 173948-30-6
Mol.F.: C15H23N 
Mol.Wt.: 217.4
Inv. Status: In Stock

Tolterodine Impurity 9

Picture of Tolterodine Impurity 9
SZ CAT No:: SZ-T017040
CAS No: 156755-37-2
Mol.F.: C29H37NO2 
Mol.Wt.: 431.6
Inv. Status: In Stock
Rel. CAT No: SZ-F002034 ,

Tolterodine Lactol Impurity

Picture of Tolterodine Lactol Impurity
SZ CAT No:: SZ-T017007
CAS No: 209747-04-6
Mol.F.: C16H16O2
Mol.Wt.: 240.3
Inv. Status: In Stock

Tolterodine Lactone Impurity Racemate

Picture of Tolterodine Lactone Impurity Racemate
SZ CAT No:: SZ-T017008
CAS No: 40546-94-9
Mol.F.: C16H14O2
Mol.Wt.: 238.3
Inv. Status: In Stock

Tolterodine Propanol Impurity Racemate

Picture of Tolterodine Propanol Impurity Racemate
SZ CAT No:: SZ-T017016
CAS No: 851789-43-0
Mol.F.: C16H18O2
Mol.Wt.: 242.3
Inv. Status: In Stock

(R)-Desisopropyl Tolterodine

Picture of (R)-Desisopropyl Tolterodine
SZ CAT No:: SZ-T017023
CAS No: 194482-41-2
Mol.F.: C19H25NO
Mol.Wt.: 283.4
Inv. Status: Limited Stock

Tolterodine Dimer Impurity (Mixture of Diastereomers)

Picture of Tolterodine Dimer Impurity (Mixture of Diastereomers)
SZ CAT No:: SZ-T017025
CAS No: NA
Mol.F.: C35H41NO2 : C2HF3O2
Mol.Wt.: 507.7 : 114.0
Inv. Status: Out of Stock

5-Hydroxymethyl rac-Tolterodine Formate

Picture of 5-Hydroxymethyl rac-Tolterodine Formate
SZ CAT No:: SZ-T017027
CAS No: NA
Mol.F.: C22H31NO2 : CH2O2
Mol.Wt.: 341.5 : 46.0
Inv. Status: Custom Synthesis
Rel. CAS No: 200801-70-3 (free base) : 250214-40-5 (HCl salt)

Benzyl R-(+)-Tolterodine

Picture of Benzyl R-(+)-Tolterodine
SZ CAT No:: SZ-T017026
CAS No: 848768-06-9
Mol.F.: C29H37NO 
Mol.Wt.: 415.6
Inv. Status: Custom Synthesis
Rel. CAS No: 1428856-55-6 (fumarate salt)

Rac 5-Carboxy Tolterodine Formate

Picture of Rac 5-Carboxy Tolterodine Formate
SZ CAT No:: SZ-T017022
CAS No: NA
Mol.F.: C22H29NO3 : CH2O2
Mol.Wt.: 355.5 : 46.0
Inv. Status: Custom Synthesis
Rel. CAS No: 1076199-77-3 (free base)

Rac O-Benzyl Tolterodine

Picture of Rac O-Benzyl Tolterodine
SZ CAT No:: SZ-T017044
CAS No: 389068-22-8
Mol.F.: C29H37NO
Mol.Wt.: 415.6
Inv. Status: Custom Synthesis

Tolteridone degradation product B

Picture of Tolteridone degradation product B
SZ CAT No:: SZ-T017041
CAS No: NA
Mol.F.: C16H17NO
Mol.Wt.: 239.3
Inv. Status: Custom Synthesis

Tolterodine 5-Hydroxymethyl Analog (S)-Isomer

Picture of Tolterodine 5-Hydroxymethyl Analog (S)-Isomer
SZ CAT No:: SZ-T017004
CAS No: 260389-90-0
Mol.F.: C22H31NO2
Mol.Wt.: 341.5
Inv. Status: Custom Synthesis

Tolterodine EP Impurity A

Picture of Tolterodine EP Impurity A
SZ CAT No:: SZ-T017009
CAS No: 124937-73-1
Mol.F.: C17H20O2
Mol.Wt.: 256.3
Inv. Status: Custom Synthesis

Tolterodine EP Impurity D

Picture of Tolterodine EP Impurity D
SZ CAT No:: SZ-T017013
CAS No: 1391053-65-8
Mol.F.: C20H27NO
Mol.Wt.: 297.4
Inv. Status: Custom Synthesis

Tolterodine Impurity 1

Picture of Tolterodine Impurity 1
SZ CAT No:: SZ-T017032
CAS No: 2732261-51-5
Mol.F.: C37H54N2O 
Mol.Wt.: 542.9
Inv. Status: Custom Synthesis

Tolterodine Impurity 11

Picture of Tolterodine Impurity 11
SZ CAT No:: SZ-T017043
CAS No: NA
Mol.F.: C45H62N2O2
Mol.Wt.: 663.0
Inv. Status: Custom Synthesis

Tolterodine Impurity 12

Picture of Tolterodine Impurity 12
SZ CAT No:: SZ-T017045
CAS No: 141109-16-2
Mol.F.: C9H10ClNO2
Mol.Wt.: 199.6
Inv. Status: Custom Synthesis
Rel. CAS No: 1233361-76-6 (tartrate salt)

Tolterodine Impurity 13

Picture of Tolterodine Impurity 13
SZ CAT No:: SZ-T017046
CAS No: 141109-15-1
Mol.F.: C9H10ClNO2 : C4H6O6
Mol.Wt.: 199.6 : 150.1
Inv. Status: Custom Synthesis
Rel. CAS No: 141109-14-0 (free base)

Tolterodine Impurity 2

Picture of Tolterodine Impurity 2
SZ CAT No:: SZ-T017033
CAS No: NA
Mol.F.: C30H48N2O 
Mol.Wt.: 452.7
Inv. Status: Custom Synthesis

Tolterodine Impurity 3

Picture of Tolterodine Impurity 3
SZ CAT No:: SZ-T017034
CAS No: 2724801-37-8
Mol.F.: C37H54N2O 
Mol.Wt.: 542.9
Inv. Status: Custom Synthesis

Tolterodine Impurity 4

Picture of Tolterodine Impurity 4
SZ CAT No:: SZ-T017035
CAS No: 906532-18-1
Mol.F.: C22H31NO 
Mol.Wt.: 325.5
Inv. Status: Custom Synthesis

Tolterodine Impurity 6 (p-Cresol, 4-Methyl Phenol)

Picture of Tolterodine Impurity 6 (p-Cresol, 4-Methyl Phenol)
SZ CAT No:: SZ-T017037
CAS No: 106-44-5
Mol.F.: C7H8O 
Mol.Wt.: 108.2
Inv. Status: Custom Synthesis

Tolterodine Impurity 7

Picture of Tolterodine Impurity 7
SZ CAT No:: SZ-T017038
CAS No: 2725236-41-7
Mol.F.: C16H19NO 
Mol.Wt.: 241.3
Inv. Status: Custom Synthesis

Tolterodine Impurity 8

Picture of Tolterodine Impurity 8
SZ CAT No:: SZ-T017039
CAS No: NA
Mol.F.: C16H17NO 
Mol.Wt.: 239.3
Inv. Status: Custom Synthesis

Tolterodine Methoxy Propylamine Impurity Racemate

Picture of Tolterodine Methoxy Propylamine Impurity Racemate
SZ CAT No:: SZ-T017010
CAS No: 1017224-71-3
Mol.F.: C17H21NO
Mol.Wt.: 255.4
Inv. Status: Custom Synthesis

Tolterodine Monoisopropyl 5-Carboxylic Acid Racemate 

Picture of Tolterodine Monoisopropyl 5-Carboxylic Acid Racemate 
SZ CAT No:: SZ-T017011
CAS No: 214601-13-5
Mol.F.: C19H23NO3
Mol.Wt.: 313.4
Inv. Status: Custom Synthesis
Rel. CAS No: 214600-59-6 (HCl salt)

Tolterodine Propanoic Acid Impurity (R)-Isomer 

Picture of Tolterodine Propanoic Acid Impurity (R)-Isomer 
SZ CAT No:: SZ-T017015
CAS No: NA
Mol.F.: C16H16O3
Mol.Wt.: 256.3
Inv. Status: Custom Synthesis

Tolterodine Propylamine Impurity Racemate

Picture of Tolterodine Propylamine Impurity Racemate
SZ CAT No:: SZ-T017017
CAS No: 1189501-90-3
Mol.F.: C16H19NO
Mol.Wt.: 241.3
Inv. Status: Custom Synthesis

Tolterodine Tartrate

Picture of Tolterodine Tartrate
SZ CAT No:: SZ-T017001
CAS No: 124937-52-6
Mol.F.: C22H31NO : C4H6O6
Mol.Wt.: 325.5 : 150.1
Inv. Status: Custom Synthesis
Rel. CAS No: 124937-51-5 (free base) ; 502897-79-2 (HCl salt) ; 497883-51-9 (HBr salt)

Tolterodine Impurity 14

Picture of Tolterodine Impurity 14
SZ CAT No:: SZ-T017048
CAS No: NA
Mol.F.: C18H23NO
Mol.Wt.: 269.4
Inv. Status:

Stable Isotopes And Metabolites

5-Hydroxymethyl Tolterodine-D14

Picture of 5-Hydroxymethyl Tolterodine-D14
SZ CAT No:: SZ-T017D03
CAS No: 1185071-13-9
Mol.F.: C22H17D14NO2
Mol.Wt.: 355.6
Inv. Status: Custom Synthesis

Tolterodine D14 Hydrochloride

Picture of Tolterodine D14 Hydrochloride
SZ CAT No:: SZ-T017D01
CAS No: 1217645-16-3
Mol.F.: C22H17D14NO : HCl
Mol.Wt.: 339.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 1191280-43-9 (free base)

Tolterodine D6

Picture of Tolterodine D6
SZ CAT No:: SZ-T017D02
CAS No: NA
Mol.F.: C22H25D6NO
Mol.Wt.: 331.5
Inv. Status: Custom Synthesis

Possible Nitroso Standards

(R)-Desisopropyl Tolterodine Nitroso Impurity

Picture of (R)-Desisopropyl Tolterodine Nitroso Impurity
SZ CAT No:: SZ-T017047
CAS No: NA
Mol.F.: C19H24N2O2
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis
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