Varenicline 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.
1,1-Diethylhydrazine
CAT No: VS-V012017
CAS No: 616-40-0
Mol.F.: C4H12N2
Mol.Wt.: 88.2
Status: Custom Synthesis
N-Acetyl Varenicline
CAT No: VS-V012055
CAS No: 1213781-59-9
Mol.F.: C15H15N3O
Mol.Wt.: 253.31
Status: Custom Synthesis
N-Nitroso Varenicline
CAT No: VS-V012052
CAS No: 2755871-02-2
Mol.F.: C13H12N4O
Mol.Wt.: 240.3
Status: Custom Synthesis
Varenicline
CAT No: VS-V012051
CAS No: 249296-44-4
Mol.F.: C13H13N3
Mol.Wt.: 211.3
Status: Custom Synthesis
Varenicline Diamine Impurity
CAT No: VS-V012010
CAS No: 230615-69-7
Mol.F.: C13H14F3N3O
Mol.Wt.: 285.3
Status: Custom Synthesis
Varenicline Impurity 1
CAT No: VS-V012020
CAS No: N/A
Mol.F.: C14H15N3 : C4H8O6
Mol.Wt.: 225.3 : 152.1
Status: Custom Synthesis
Varenicline Impurity 10
CAT No: VS-V012029
CAS No: N/A
Mol.F.: C11H10N4O5
Mol.Wt.: 278.2
Status: In Stock
Varenicline Impurity 11
CAT No: VS-V012030
CAS No: N/A
Mol.F.: C11H16N4
Mol.Wt.: 204.3
Status: Custom Synthesis
Varenicline Impurity 12
CAT No: VS-V012031
CAS No: 230615-53-9
Mol.F.: C13H11F3N2O3
Mol.Wt.: 300.2
Status: Custom Synthesis
Varenicline Impurity 13
CAT No: VS-V012032
CAS No: N/A
Mol.F.: C13H14F3N3O
Mol.Wt.: 285.3
Status: Custom Synthesis
Varenicline Impurity 14
CAT No: VS-V012033
CAS No: 230615-56-2
Mol.F.: C13H13F3N2O
Mol.Wt.: 270.3
Status: Custom Synthesis
Varenicline Impurity 15
CAT No: VS-V012034
CAS No: N/A
Mol.F.: C11H14N4O
Mol.Wt.: 218.3
Status: Out of Stock
Varenicline Impurity 16
CAT No: VS-V012035
CAS No: N/A
Mol.F.: C13H14N4
Mol.Wt.: 226.3
Status: Custom Synthesis
Varenicline Impurity 17
CAT No: VS-V012036
CAS No: N/A
Mol.F.: C11H12N2O
Mol.Wt.: 188.2
Status: Custom Synthesis
Varenicline Impurity 18
CAT No: VS-V012037
CAS No: 2306217-15-0
Mol.F.: C17H17N3O5
Mol.Wt.: 343.3
Status: Custom Synthesis
Varenicline Impurity 19
CAT No: VS-V012038
CAS No: N/A
Mol.F.: C14H15N3O
Mol.Wt.: 241.3
Status: Custom Synthesis
Varenicline Impurity 2
CAT No: VS-V012021
CAS No: 230615-08-4
Mol.F.: C11H11N3O4
Mol.Wt.: 249.2
Status: Custom Synthesis
Varenicline Impurity 20
CAT No: VS-V012039
CAS No: 40460-44-4
Mol.F.: C2H6O3
Mol.Wt.: 78.1
Status: Custom Synthesis
Varenicline Impurity 21
CAT No: VS-V012040
CAS No: 631-59-4
Mol.F.: C2H4O3
Mol.Wt.: 76.1
Status: Custom Synthesis
Varenicline Impurity 22
CAT No: VS-V012041
CAS No: 832089-32-4
Mol.F.: C15H14F3N3O
Mol.Wt.: 309.3
Status: Custom Synthesis
Varenicline Impurity 23
CAT No: VS-V012042
CAS No: N/A
Mol.F.: C27H24N6O
Mol.Wt.: 448.5
Status: Custom Synthesis
Varenicline Impurity 24
CAT No: VS-V012043
CAS No: N/A
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Impurity 25
CAT No: VS-V012044
CAS No: N/A
Mol.F.: C11H14N2 : C2H2O4
Mol.Wt.: 174.2 : 90.0
Status: Custom Synthesis
Varenicline Impurity 26
CAT No: VS-V012045
CAS No: 1333145-89-3
Mol.F.: C14H15N3
Mol.Wt.: 225.3
Status: Custom Synthesis
Varenicline Impurity 27
CAT No: VS-V012046
CAS No: 357424-22-7
Mol.F.: C11H14N2
Mol.Wt.: 174.2
Status: Custom Synthesis
Varenicline Impurity 28
CAT No: VS-V012047
CAS No: N/A
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Impurity 29
CAT No: VS-V012048
CAS No: 230615-52-8
Mol.F.: C11H13N : HCl
Mol.Wt.: 159.2 : 36.5
Status: Custom Synthesis
Varenicline Impurity 3
CAT No: VS-V012022
CAS No: N/A
Mol.F.: C12H13N3 : 2HCl
Mol.Wt.: 199.3 : 2(36.5)
Status: Custom Synthesis
Varenicline Impurity 30
CAT No: VS-V012049
CAS No: 230615-51-7
Mol.F.: C13H12F3NO
Mol.Wt.: 255.2
Status: Custom Synthesis
Varenicline Impurity 31
CAT No: VS-V012050
CAS No: 230615-48-2
Mol.F.: C18H19N
Mol.Wt.: 249.4
Status: Custom Synthesis
Varenicline Impurity 4
CAT No: VS-V012023
CAS No: 950781-94-9
Mol.F.: C11H11N3O4
Mol.Wt.: 249.2
Status: Custom Synthesis
Varenicline Impurity 5
CAT No: VS-V012024
CAS No: N/A
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Impurity 6
CAT No: VS-V012025
CAS No: 808120-35-6
Mol.F.: C11H15N3
Mol.Wt.: 189.3
Status: Custom Synthesis
Varenicline Impurity 7
CAT No: VS-V012026
CAS No: N/A
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Impurity 8
CAT No: VS-V012027
CAS No: 950781-89-2
Mol.F.: C13H12F3N3O3
Mol.Wt.: 315.3
Status: Custom Synthesis
Varenicline Impurity 9
CAT No: VS-V012028
CAS No: N/A
Mol.F.: C13H12N4O
Mol.Wt.: 240.3
Status: Custom Synthesis
Varenicline Nitroso Impurity 3
CAT No: VS-V012053
CAS No: 2803960-64-5
Mol.F.: C11H14N4O
Mol.Wt.: 218.3
Status: Custom Synthesis
Varenicline Nitroso Impurity 4
CAT No: VS-V012054
CAS No: 2803960-63-4
Mol.F.: C11H10N4O5
Mol.Wt.: 278.2
Status: Custom Synthesis
Varenicline N-methyl Impurity
CAT No: VS-V012016
CAS No: 328055-92-1
Mol.F.: C14H15N3
Mol.Wt.: 225.3
Status: Custom Synthesis
Varenicline N-oxide
CAT No: VS-V012019
CAS No: 2306217-12-7
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Tartrate
CAT No: VS-V012001
CAS No: 375815-87-5
Mol.F.: C13H13N3 : C4H6O6
Mol.Wt.: 211.3 : 150.1
Status: In Stock
Varenicline Tartrate Impurity B
CAT No: VS-V012002
CAS No: 873302-31-9
Mol.F.: C19H23N3O5
Mol.Wt.: 373.4
Status: Custom Synthesis
Varenicline Tartrate Impurity C
CAT No: VS-V012003
CAS No: N/A
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Tartrate Impurity D
CAT No: VS-V012004
CAS No: 1337563-47-9
Mol.F.: C13H13N3O2
Mol.Wt.: 243.3
Status: Custom Synthesis
Varenicline Tartrate Impurity E
CAT No: VS-V012005
CAS No: 357424-21-6
Mol.F.: C13H13N3O
Mol.Wt.: 227.3
Status: Custom Synthesis
Varenicline Tartrate Impurity F
CAT No: VS-V012006
CAS No: 357426-10-9
Mol.F.: C15H12F3N3O2
Mol.Wt.: 323.3
Status: Custom Synthesis
Varenicline Tartrate Impurity G
CAT No: VS-V012007
CAS No: 1329651-19-5
Mol.F.: C20H16N4O4
Mol.Wt.: 376.4
Status: Custom Synthesis
Varenicline Tartrate Impurity H
CAT No: VS-V012008
CAS No: 873302-30-8
Mol.F.: C13H11N3O
Mol.Wt.: 225.3
Status: Custom Synthesis
Varenicline Tartrate Impurity I
CAT No: VS-V012009
CAS No: 535920-98-0
Mol.F.: C20H21N3O8
Mol.Wt.: 431.4
Status: Custom Synthesis
Varenicline Dioxo Impurity
CAT No: VS-V012011
CAS No: 357424-07-8
Mol.F.: C13H13N3O2
Mol.Wt.: 243.3
Status: Custom Synthesis
Varenicline Meta-Dinitro Impurity
CAT No: VS-V012015
CAS No: 853946-18-6
Mol.F.: C13H10F3N3O5
Mol.Wt.: 345.2
Status: Custom Synthesis
Varenicline N-Formyl Impurity
CAT No: VS-V012012
CAS No: 796865-82-2
Mol.F.: C14H13N3O
Mol.Wt.: 239.3
Status: Custom Synthesis
Varenicline N-Trifluoroacetyl Impurity
CAT No: VS-V012014
CAS No: 230615-70-0
Mol.F.: C15H12F3N3O
Mol.Wt.: 307.3
Status: Custom Synthesis
Varenicline Ortho-Dinitro Impurity
CAT No: VS-V012013
CAS No: 230615-59-5
Mol.F.: C13H10F3N3O5
Mol.Wt.: 345.2
Status: Custom Synthesis
