Tolterodine Related Products 
Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.
(R)-5-Hydroxymethyl Tolterodine Formate
CAT No: VS-T070020
CAS No: 380636-49-7
Mol.F.: C22H31NO2 : CH2O2
Mol.Wt.: 341.5 : 46.0
Status: Custom Synthesis
(R)-Desisopropyl Tolterodine
CAT No: VS-T070027
CAS No: 194482-41-2
Mol.F.: C19H25NO
Mol.Wt.: 283.42
Status: Custom Synthesis
5-Carboxy Tolterodine Formate
CAT No: VS-T070021
CAS No: N/A
Mol.F.: C22H29NO3 : CH2O2
Mol.Wt.: 355.5 : 46.0
Status: Custom Synthesis
5-Hydroxymethyl rac-Tolterodine Formate
CAT No: VS-T070024
CAS No: N/A
Mol.F.: C22H31NO2 : CH2O2
Mol.Wt.: 341.5 : 46.0
Status: Custom Synthesis
Racemic Tolterodine
CAT No: VS-T070026
CAS No: 124936-74-9
Mol.F.: C22H31NO
Mol.Wt.: 325.5
Status: Custom Synthesis
Tolteridone Dimer
CAT No: VS-T070028
CAS No: N/A
Mol.F.: C45H62N2O2 : 2CH2O2
Mol.Wt.: 663.0 : 2(46.0)
Status: Custom Synthesis
Tolterodine 5-Hydroxymethyl Analog (R)-Isomer
CAT No: VS-T070006
CAS No: 207679-81-0
Mol.F.: C22H31NO2
Mol.Wt.: 341.5
Status: Custom Synthesis
Tolterodine 5-Hydroxymethyl Analog (S)-Isomer
CAT No: VS-T070007
CAS No: 260389-90-0
Mol.F.: C22H31NO2
Mol.Wt.: 341.5
Status: Custom Synthesis
Tolterodine 5-Hydroxymethyl Analog Racemate
CAT No: VS-T070008
CAS No: 200801-70-3
Mol.F.: C22H31NO2
Mol.Wt.: 341.5
Status: Custom Synthesis
Tolterodine Dimer
CAT No: VS-T070039
CAS No: 854306-72-2
Mol.F.: C35H41NO2
Mol.Wt.: 507.71
Status: Custom Synthesis
Tolterodine Dimer Impurity (Mixture of Diastereomers)
CAT No: VS-T070022
CAS No: N/A
Mol.F.: C35H41NO2 : C2HF3O2
Mol.Wt.: 507.7 : 114.0
Status: Custom Synthesis
Tolterodine Diol Acetate Impurity
CAT No: VS-T070025
CAS No: 2514856-06-3
Mol.F.: C18H20O3
Mol.Wt.: 284.36
Status: Custom Synthesis
Tolterodine EP Impurity C
CAT No: VS-T070003
CAS No: 124935-88-2
Mol.F.: C23H33NO
Mol.Wt.: 339.53
Status: Custom Synthesis
Tolterodine EP Impurity D
CAT No: VS-T070041
CAS No: 1391053-65-8
Mol.F.: C20H27NO
Mol.Wt.: 297.4
Status: Custom Synthesis
Tolterodine EP Impurity F
CAT No: VS-T070004
CAS No: 873551-03-2
Mol.F.: C22H31NO : C4H6O6
Mol.Wt.: 325.5 : 150.1
Status: Custom Synthesis
Tolterodine EP Impurity F (free base)
CAT No: VS-T070042
CAS No: 124937-53-7
Mol.F.: C22H31NO
Mol.Wt.: 325.49
Status: Custom Synthesis
Tolterodine EP Impurity G
CAT No: VS-T070005
CAS No: 1554029-91-2
Mol.F.: C22H31NO2
Mol.Wt.: 341.5
Status: Custom Synthesis
Tolterodine Impurity 1
CAT No: VS-T070029
CAS No: N/A
Mol.F.: C37H54N2O
Mol.Wt.: 542.86
Status: In Stock
Tolterodine Impurity 10
CAT No: VS-T070038
CAS No: 894773-86-5
Mol.F.: C18H22O6S2
Mol.Wt.: 398.5
Status: Custom Synthesis
Tolterodine Impurity 2
CAT No: VS-T070030
CAS No: N/A
Mol.F.: C30H48N2O
Mol.Wt.: 452.73
Status: In Stock
Tolterodine Impurity 3
CAT No: VS-T070031
CAS No: N/A
Mol.F.: C37H54N2O
Mol.Wt.: 542.86
Status: Custom Synthesis
Tolterodine Impurity 4
CAT No: VS-T070032
CAS No: 906532-18-1
Mol.F.: C22H31NO
Mol.Wt.: 325.5
Status: Custom Synthesis
Tolterodine Impurity 5
CAT No: VS-T070033
CAS No: 173948-30-6
Mol.F.: C15H23N
Mol.Wt.: 217.36
Status: Custom Synthesis
Tolterodine Impurity 6 (p-Cresol, 4-Methyl Phenol)
CAT No: VS-T070034
CAS No: 106-44-5
Mol.F.: C7H8O
Mol.Wt.: 108.14
Status: Custom Synthesis
Tolterodine Impurity 7
CAT No: VS-T070035
CAS No: N/A
Mol.F.: C16H19NO
Mol.Wt.: 241.34
Status: Custom Synthesis
Tolterodine Impurity 8
CAT No: VS-T070036
CAS No: N/A
Mol.F.: C16H17NO
Mol.Wt.: 239.32
Status: Custom Synthesis
Tolterodine Impurity 9
CAT No: VS-T070037
CAS No: 156755-37-2
Mol.F.: C29H37NO2
Mol.Wt.: 431.62
Status: Custom Synthesis
Tolterodine Lactol Impurity
CAT No: VS-T070009
CAS No: 209747-04-6
Mol.F.: C16H16O2
Mol.Wt.: 240.3
Status: Custom Synthesis
Tolterodine Lactone Impurity Racemate
CAT No: VS-T070010
CAS No: 40546-94-9
Mol.F.: C16H14O2
Mol.Wt.: 238.28
Status: Custom Synthesis
Tolterodine Methoxy Propanol Impurity Racemate
CAT No: VS-T070011
CAS No: 124937-73-1
Mol.F.: C17H20O2
Mol.Wt.: 256.34
Status: Custom Synthesis
Tolterodine Methoxy Propylamine Impurity Racemate
CAT No: VS-T070012
CAS No: 1017224-71-3
Mol.F.: C17H21NO
Mol.Wt.: 255.35
Status: Custom Synthesis
Tolterodine Monoisopropyl 5-Carboxylic Acid Racemate
CAT No: VS-T070013
CAS No: 214601-13-5
Mol.F.: C19H23NO3
Mol.Wt.: 313.39
Status: Custom Synthesis
Tolterodine Monoisopropyl Analog Racemate
CAT No: VS-T070014
CAS No: 480432-14-2
Mol.F.: C19H25NO
Mol.Wt.: 283.4
Status: In Stock
Tolterodine Monoisopropyl Methoxy Analog (R)-Isomer
CAT No: VS-T070015
CAS No: N/A
Mol.F.: C20H27NO
Mol.Wt.: 297.43
Status: Custom Synthesis
Tolterodine Monoisopropyl Methoxy Analog Racemate
CAT No: VS-T070016
CAS No: N/A
Mol.F.: C20H27NO : HCl
Mol.Wt.: 297.4 : 36.5
Status: Custom Synthesis
Tolterodine Monomer Impurity
CAT No: VS-T070040
CAS No: N/A
Mol.F.: C23H31NO7
Mol.Wt.: 433.49
Status: Custom Synthesis
Tolterodine O-Benzyl Impurity
CAT No: VS-T070023
CAS No: 848768-06-9
Mol.F.: C29H37NO
Mol.Wt.: 415.62
Status: Custom Synthesis
Tolterodine Propanoic Acid Impurity (R)-Isomer
CAT No: VS-T070017
CAS No: N/A
Mol.F.: C16H16O3
Mol.Wt.: 256.3
Status: Custom Synthesis
Tolterodine Propanol Impurity Racemate
CAT No: VS-T070018
CAS No: 851789-43-0
Mol.F.: C16H18O2
Mol.Wt.: 242.31
Status: Custom Synthesis
Tolterodine Propylamine Impurity Racemate
CAT No: VS-T070019
CAS No: 1189501-90-3
Mol.F.: C16H19NO
Mol.Wt.: 241.33
Status: Custom Synthesis
Tolterodine Tartarate
CAT No: VS-T070002
CAS No: 124937-52-6
Mol.F.: C22H31NO : C4H6O6
Mol.Wt.: 325.5 : 150.1
Status: In Stock
