Oseltamivir 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.
5-Azido Oseltamivir
CAT No: VS-O023010
CAS No: 204255-06-1
Mol.F.: C16H26N4O4
Mol.Wt.: 338.4
Status: Custom Synthesis
N-Desacetyl 5-Azido Oseltamivir
CAT No: VS-O023053
CAS No: 204255-04-9
Mol.F.: C14H24N4O3
Mol.Wt.: 296.4
Status: Custom Synthesis
Oseltamavir Citric Acid Adduct Mix
CAT No: VS-O023017
CAS No: N/A
Mol.F.: C22H34N2O10
Mol.Wt.: 486.5
Status: Custom Synthesis
Oseltamavir Diamine Impurity
CAT No: VS-O023013
CAS No: 212504-89-7
Mol.F.: C14H26N2O3
Mol.Wt.: 270.4
Status: Custom Synthesis
Oseltamivir
CAT No: VS-O023057
CAS No: 196618-13-0
Mol.F.: C16H28N2O4
Mol.Wt.: 312.4
Status: Custom Synthesis
Oseltamivir Citric acid Adduct
CAT No: VS-O023011
CAS No: N/A
Mol.F.: C22H34N2O10
Mol.Wt.: 486.5
Status: Custom Synthesis
Oseltamivir Citric Acid Adduct-2
CAT No: VS-O023012
CAS No: N/A
Mol.F.: C22H34N2O10
Mol.Wt.: 486.5
Status: Custom Synthesis
Oseltamivir EP Impurity A
CAT No: VS-O023002
CAS No: 1364932-19-3
Mol.F.: C14H24N2O4
Mol.Wt.: 284.4
Status: In Stock
Oseltamivir EP Impurity B
CAT No: VS-O023003
CAS No: N/A
Mol.F.: C16H29N5O4
Mol.Wt.: 355.4
Status: In Stock
Oseltamivir EP Impurity C
CAT No: VS-O023004
CAS No: 187227-45-8
Mol.F.: C14H24N2O4
Mol.Wt.: 284.4
Status: In Stock
Oseltamivir EP Impurity D
CAT No: VS-O023005
CAS No: 1346604-18-9
Mol.F.: C11H13NO4
Mol.Wt.: 223.2
Status: In Stock
Oseltamivir EP Impurity E
CAT No: VS-O023006
CAS No: 208720-71-2
Mol.F.: C15H26N2O4
Mol.Wt.: 298.4
Status: Custom Synthesis
Oseltamivir EP Impurity E (HCl)
CAT No: VS-O023059
CAS No: 208720-78-9
Mol.F.: C15H26N2O4 : HCl
Mol.Wt.: 298.38 : 36.5
Status: In Stock
Oseltamivir EP Impurity F
CAT No: VS-O023008
CAS No: 1052063-37-2
Mol.F.: C15H26N2O4
Mol.Wt.: 298.3
Status: In Stock
Oseltamivir EP Impurity G
CAT No: VS-O023007
CAS No: 956267-10-0
Mol.F.: C16H28N2O4
Mol.Wt.: 312.4
Status: Custom Synthesis
Oseltamivir EP Impurity H
CAT No: VS-O023009
CAS No: 814-29-9
Mol.F.: C12H27OP
Mol.Wt.: 218.3
Status: In Stock
Oseltamivir Fructose Adduct-1
CAT No: VS-O023019
CAS No: N/A
Mol.F.: C22H38N2O9
Mol.Wt.: 474.6
Status: Custom Synthesis
Oseltamivir Fructose Adduct-2
CAT No: VS-O023020
CAS No: N/A
Mol.F.: C22H38N2O9
Mol.Wt.: 474.6
Status: Custom Synthesis
Oseltamivir Glucose Adduct-1
CAT No: VS-O023018
CAS No: N/A
Mol.F.: C22H38N2O9
Mol.Wt.: 474.6
Status: Custom Synthesis
Oseltamivir Glucose Adduct-2
CAT No: VS-O023021
CAS No: N/A
Mol.F.: C20H32N2O8
Mol.Wt.: 428.5
Status: Custom Synthesis
Oseltamivir Hydrochloride
CAT No: VS-O023060
CAS No: 204255-09-4
Mol.F.: C16H28N2O4 : HCl
Mol.Wt.: 312.41 : 36.5
Status: In Stock
Oseltamivir Hydroxy Epoxide Impurity
CAT No: VS-O023061
CAS No: 876014-27-6
Mol.F.: C9H12O4
Mol.Wt.: 184.2
Status: Custom Synthesis
Oseltamivir Impurity 1
CAT No: VS-O023022
CAS No: N/A
Mol.F.: C18H30N2O5
Mol.Wt.: 354.5
Status: Custom Synthesis
Oseltamivir Impurity 10
CAT No: VS-O023030
CAS No: N/A
Mol.F.: C17H28N2O4
Mol.Wt.: 324.4
Status: Custom Synthesis
Oseltamivir Impurity 11
CAT No: VS-O023031
CAS No: 1266663-89-1
Mol.F.: C14H22O4
Mol.Wt.: 254.3
Status: Custom Synthesis
Oseltamivir Impurity 12
CAT No: VS-O023032
CAS No: 2413185-89-2
Mol.F.: C14H22O4
Mol.Wt.: 254.3
Status: Custom Synthesis
Oseltamivir Impurity 13
CAT No: VS-O023033
CAS No: 2413185-88-1
Mol.F.: C14H22O4
Mol.Wt.: 254.3
Status: Custom Synthesis
Oseltamivir Impurity 14
CAT No: VS-O023034
CAS No: 2417645-75-9
Mol.F.: C18H31NO3
Mol.Wt.: 309.5
Status: In Stock
Oseltamivir Impurity 15
CAT No: VS-O023035
CAS No: 651324-06-0
Mol.F.: C24H42N2O3
Mol.Wt.: 406.6
Status: In Stock
Oseltamivir Impurity 16
CAT No: VS-O023036
CAS No: 651324-07-1
Mol.F.: C26H44N2O4
Mol.Wt.: 448.6
Status: Custom Synthesis
Oseltamivir Impurity 17
CAT No: VS-O023037
CAS No: 1151665-78-9
Mol.F.: C14H20O3
Mol.Wt.: 236.3
Status: Custom Synthesis
Oseltamivir Impurity 18
CAT No: VS-O023038
CAS No: N/A
Mol.F.: C26H44N2O3
Mol.Wt.: 432.6
Status: Custom Synthesis
Oseltamivir Impurity 19
CAT No: VS-O023039
CAS No: N/A
Mol.F.: C26H44N2O3
Mol.Wt.: 432.6
Status: Custom Synthesis
Oseltamivir Impurity 20
CAT No: VS-O023040
CAS No: 651324-08-2
Mol.F.: C26H44N2O4 : HCl
Mol.Wt.: 448.6 : 36.5
Status: Custom Synthesis
Oseltamivir Impurity 21
CAT No: VS-O023041
CAS No: 347378-74-9
Mol.F.: C14H22O4
Mol.Wt.: 254.3
Status: Custom Synthesis
Oseltamivir Impurity 22
CAT No: VS-O023042
CAS No: N/A
Mol.F.: C14H24N2O4 : H3O4P
Mol.Wt.: 284.4 : 98.0
Status: Custom Synthesis
Oseltamivir Impurity 23
CAT No: VS-O023043
CAS No: 1035895-88-5
Mol.F.: C16H28N2O4
Mol.Wt.: 312.4
Status: Custom Synthesis
Oseltamivir Impurity 24
CAT No: VS-O023044
CAS No: N/A
Mol.F.: C22H38N2O9
Mol.Wt.: 474.6
Status: Custom Synthesis
Oseltamivir Impurity 25
CAT No: VS-O023045
CAS No: N/A
Mol.F.: C22H38N2O9
Mol.Wt.: 474.6
Status: Custom Synthesis
Oseltamivir Impurity 26
CAT No: VS-O023046
CAS No: N/A
Mol.F.: C16H28N2O4 : HCl
Mol.Wt.: 312.4 : 36.5
Status: Custom Synthesis
Oseltamivir Impurity 26
CAT No: VS-O023050
CAS No: N/A
Mol.F.: C16H28N2O4 : HCl
Mol.Wt.: 312.4 : 36.5
Status: Custom Synthesis
Oseltamivir Impurity 27
CAT No: VS-O023051
CAS No: N/A
Mol.F.: C14H24N2O4 : HCl
Mol.Wt.: 284.4 : 36.5
Status: Custom Synthesis
Oseltamivir Impurity 27
CAT No: VS-O023047
CAS No: N/A
Mol.F.: C16H28N2O4 : HCl
Mol.Wt.: 312.4 : 36.5
Status: Custom Synthesis
Oseltamivir Impurity 28
CAT No: VS-O023048
CAS No: 2413185-95-0
Mol.F.: C16H28N2O4
Mol.Wt.: 312.4
Status: Custom Synthesis
Oseltamivir Impurity 28
CAT No: VS-O023052
CAS No: 204254-98-8
Mol.F.: C14H23N3O4
Mol.Wt.: 297.4
Status: Custom Synthesis
Oseltamivir Impurity 29
CAT No: VS-O023054
CAS No: 204255-02-7
Mol.F.: C14H23NO3
Mol.Wt.: 253.3
Status: Custom Synthesis
Oseltamivir Impurity 29
CAT No: VS-O023049
CAS No: 2081110-44-1
Mol.F.: C16H28N2O4
Mol.Wt.: 312.4
Status: Custom Synthesis
Oseltamivir Impurity 3
CAT No: VS-O023023
CAS No: N/A
Mol.F.: C22H38N2O9
Mol.Wt.: 474.6
Status: Custom Synthesis
Oseltamivir Impurity 30
CAT No: VS-O023056
CAS No: NA
Mol.F.: C13H20O4
Mol.Wt.: 240.3
Status: Custom Synthesis
Oseltamivir Impurity 31
CAT No: VS-O023058
CAS No: 204254-94-4
Mol.F.: C15H26O7S
Mol.Wt.: 350.4
Status: In Stock
Oseltamivir Impurity 4
CAT No: VS-O023024
CAS No: N/A
Mol.F.: C22H32N2O6
Mol.Wt.: 420.5
Status: Custom Synthesis
Oseltamivir Impurity 5
CAT No: VS-O023025
CAS No: N/A
Mol.F.: C22H32N2O9
Mol.Wt.: 468.5
Status: Custom Synthesis
Oseltamivir Impurity 6
CAT No: VS-O023026
CAS No: 651324-04-8
Mol.F.: C18H33NO4
Mol.Wt.: 327.5
Status: In Stock
Oseltamivir Impurity 7
CAT No: VS-O023027
CAS No: N/A
Mol.F.: C22H32N2O6
Mol.Wt.: 420.5
Status: Custom Synthesis
Oseltamivir Impurity 8
CAT No: VS-O023028
CAS No: 204254-96-6
Mol.F.: C14H22O4
Mol.Wt.: 254.3
Status: Custom Synthesis
Oseltamivir Impurity 9
CAT No: VS-O023029
CAS No: N/A
Mol.F.: C22H32N2O6
Mol.Wt.: 420.5
Status: Custom Synthesis
Oseltamivir Nitroso Impurity 1
CAT No: VS-O023055
CAS No: NA
Mol.F.: C14H22N2O4
Mol.Wt.: 282.3
Status: Custom Synthesis
Oseltamivir Phosphate
CAT No: VS-O023001
CAS No: 204255-11-8
Mol.F.: C16H28N2O4 : H3PO4
Mol.Wt.: 312.4 : 98.0
Status: Custom Synthesis
Oseltamivir RRR Isomer
CAT No: VS-O023016
CAS No: 2413185-96-1
Mol.F.: C26H44N2O4
Mol.Wt.: 448.6
Status: Custom Synthesis
Oseltamivir RSR Isomer
CAT No: VS-O023015
CAS No: 2413185-98-3
Mol.F.: C26H44N2O4
Mol.Wt.: 448.6
Status: Custom Synthesis
Oseltamivir RSS Isomer
CAT No: VS-O023014
CAS No: 2413185-97-2
Mol.F.: C26H44N2O4
Mol.Wt.: 448.6
Status: Custom Synthesis
