Ritonavir 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-Thiazolyl)Methyl)-(4-Nitrophenyl) Carbohydrate
CAT No: VS-R043031
CAS No: 144163-97-3
Mol.F.: C11H8N2O5S
Mol.Wt.: 280.3
Status: Custom Synthesis
4-Nitrophenyl Chloroformate
CAT No: VS-R043030
CAS No: 7693-46-1
Mol.F.: C7H4ClNO4
Mol.Wt.: 201.6
Status: Custom Synthesis
Des-Isopropylthiazolyl Ritonavir
CAT No: VS-R043037
CAS No: 176655-57-5
Mol.F.: C30H39N5O5S
Mol.Wt.: 581.7
Status: Custom Synthesis
Mixture of BOC Amino Alcohol and Isobutoxy carbonyl- aminoalcohol
CAT No: VS-R043034
CAS No: N/A
Mol.F.: C28H35N3O5S
Mol.Wt.: 525.7
Status: Custom Synthesis
Mixture of Ureidovaline and N-deacylvaline Ritonavir
CAT No: VS-R043035
CAS No: N/A
Mol.F.: C14H23N3O3S : C28H36N4O4S
Mol.Wt.: 313.4 : 524.7
Status: Custom Synthesis
O-Acetyl Ritonavir
CAT No: VS-R043032
CAS No: 183246-46-0
Mol.F.: C14H23N3O3S
Mol.Wt.: 313.4
Status: Custom Synthesis
Ritonavir 4R Epimer
CAT No: VS-R043025
CAS No: N/A
Mol.F.: C37H48N4O5
Mol.Wt.: 628.8
Status: Custom Synthesis
Ritonavir Amino Alcohol Urea Derivative
CAT No: VS-R043040
CAS No: N/A
Mol.F.: C47H50N6O7S2
Mol.Wt.: 875.1
Status: Custom Synthesis
Ritonavir Diamino Alcohol Impurity
CAT No: VS-R043062
CAS No: 144163-44-0
Mol.F.: C18H24N2O
Mol.Wt.: 284.4
Status: Custom Synthesis
Ritonavir Enantiomer
CAT No: VS-R043026
CAS No: N/A
Mol.F.: C37H48N6O5S2
Mol.Wt.: 721
Status: Custom Synthesis
Ritonavir EP Impurity A
CAT No: VS-R043001
CAS No: 154212-61-0
Mol.F.: C14H23N3O3S
Mol.Wt.: 313.4
Status: In Stock
Ritonavir EP Impurity B
CAT No: VS-R043002
CAS No: 765875-58-9
Mol.F.: C28H36N4O4S
Mol.Wt.: 524.7
Status: In Stock
Ritonavir EP Impurity B (HCl)
CAT No: VS-R043003
CAS No: 165315-97-9
Mol.F.: C28H36N4O4S : HCl
Mol.Wt.: 524.7 : 36.5
Status: Custom Synthesis
Ritonavir EP Impurity C
CAT No: VS-R043004
CAS No: 1010808-43-1
Mol.F.: C25H29N3O4S
Mol.Wt.: 467.6
Status: In Stock
Ritonavir EP Impurity D
CAT No: VS-R043005
CAS No: 144142-33-6
Mol.F.: C28H30N4O5S2
Mol.Wt.: 566.7
Status: Custom Synthesis
Ritonavir EP Impurity E
CAT No: VS-R043006
CAS No: 176655-56-4
Mol.F.: C37H48N6O6S2
Mol.Wt.: 736.9
Status: In Stock
Ritonavir EP Impurity F
CAT No: VS-R043007
CAS No: 1010809-61-6
Mol.F.: C29H34N4O5S
Mol.Wt.: 550.7
Status: In Stock
Ritonavir EP Impurity G
CAT No: VS-R043008
CAS No: 2034136-66-6
Mol.F.: C37H48N6O7S2
Mol.Wt.: 752.9
Status: In Stock
Ritonavir EP Impurity H
CAT No: VS-R043009
CAS No: 1010809-43-4
Mol.F.: C30H32N4O6S
Mol.Wt.: 576.7
Status: In Stock
Ritonavir EP Impurity I
CAT No: VS-R043010
CAS No: 165315-26-4
Mol.F.: C36H46N6O5S2
Mol.Wt.: 706.9
Status: Custom Synthesis
Ritonavir EP Impurity J
CAT No: VS-R043011
CAS No: 162849-95-8
Mol.F.: C28H35N3O5S
Mol.Wt.: 525.7
Status: In Stock
Ritonavir EP Impurity K
CAT No: VS-R043012
CAS No: 1010809-39-8
Mol.F.: C28H35N3O5S
Mol.Wt.: 525.7
Status: In Stock
Ritonavir EP Impurity L
CAT No: VS-R043013
CAS No: 256328-82-2
Mol.F.: C33H43N5O4S
Mol.Wt.: 605.8
Status: In Stock
Ritonavir EP Impurity M
CAT No: VS-R043014
CAS No: N/A
Mol.F.: C18H31N3O3S
Mol.Wt.: 369.5
Status: In Stock
Ritonavir EP Impurity N
CAT No: VS-R043015
CAS No: 202816-62-4
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: In Stock
Ritonavir EP Impurity O
CAT No: VS-R043016
CAS No: 1414933-81-5
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir EP Impurity P
CAT No: VS-R043017
CAS No: N/A
Mol.F.: C47H52N6O7S2
Mol.Wt.: 877.1
Status: Custom Synthesis
Ritonavir EP Impurity Q
CAT No: VS-R043018
CAS No: 1414933-82-6
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir EP Impurity R
CAT No: VS-R043019
CAS No: 1414933-80-4
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir EP Impurity S
CAT No: VS-R043020
CAS No: 2084828-53-3
Mol.F.: C52H61N7O8S2
Mol.Wt.: 976.2
Status: In Stock
Ritonavir EP Impurity T
CAT No: VS-R043021
CAS No: 869368-48-9
Mol.F.: C46H66N8O5S2
Mol.Wt.: 875.2
Status: In Stock
Ritonavir EP Impurity U
CAT No: VS-R043022
CAS No: N/A
Mol.F.: C51H69N9O7S3
Mol.Wt.: 1016.3
Status: In Stock
Ritonavir EP Impurity V
CAT No: VS-R043023
CAS No: N/A
Mol.F.: C38H50N6O4S2
Mol.Wt.: 719
Status: Custom Synthesis
Ritonavir Ethyl Carbamate Analog
CAT No: VS-R043036
CAS No: N/A
Mol.F.: C31H40N4O6S
Mol.Wt.: 596.7
Status: Custom Synthesis
Ritonavir Ethyl Carbamate Analog
CAT No: VS-R043033
CAS No: N/A
Mol.F.: C32H42N4O6S
Mol.Wt.: 610.8
Status: Custom Synthesis
Ritonavir Geo-isomer
CAT No: VS-R043027
CAS No: N/A
Mol.F.: C37H48N6O5S2 : HCl
Mol.Wt.: 720.9 : 36.5
Status: Custom Synthesis
Ritonavir Hydrogen Peroxide Impurity
CAT No: VS-R043039
CAS No: N/A
Mol.F.: C14H23N3O5S
Mol.Wt.: 345.4
Status: Custom Synthesis
Ritonavir Hydroxy Impurity
CAT No: VS-R043038
CAS No: 2519851-81-9
Mol.F.: C14H23N3O4S
Mol.Wt.: 329.4
Status: Custom Synthesis
Ritonavir Hydroxypropyl Carbamate Analog
CAT No: VS-R043063
CAS No: N/A
Mol.F.: C33H43N3O7S
Mol.Wt.: 625.8
Status: Custom Synthesis
Ritonavir Impurity 10
CAT No: VS-R043050
CAS No: 144163-85-9
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 11
CAT No: VS-R043051
CAS No: 1414934-16-9
Mol.F.: C14H23N3O3S
Mol.Wt.: 313.4
Status: Custom Synthesis
Ritonavir Impurity 12
CAT No: VS-R043052
CAS No: 241486-86-2
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir Impurity 13
CAT No: VS-R043053
CAS No: N/A
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir Impurity 14
CAT No: VS-R043054
CAS No: 1797984-48-5
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir Impurity 15
CAT No: VS-R043055
CAS No: N/A
Mol.F.: C37H48N6O5S2
Mol.Wt.: 720.9
Status: Custom Synthesis
Ritonavir Impurity 16
CAT No: VS-R043056
CAS No: N/A
Mol.F.: C42H57N7O6S2
Mol.Wt.: 820.1
Status: Custom Synthesis
Ritonavir Impurity 17
CAT No: VS-R043057
CAS No: 1004316-56-6
Mol.F.: C28H30N4O4S2
Mol.Wt.: 550.7
Status: Custom Synthesis
Ritonavir Impurity 18
CAT No: VS-R043058
CAS No: 1370406-80-6
Mol.F.: C23H27N3O2S : HCl
Mol.Wt.: 409.5 : 36.5
Status: Custom Synthesis
Ritonavir Impurity 19
CAT No: VS-R043059
CAS No: 22050-72-2
Mol.F.: C7H9NS
Mol.Wt.: 139.2
Status: Custom Synthesis
Ritonavir Impurity 20
CAT No: VS-R043060
CAS No: N/A
Mol.F.: C22H26N4O5S
Mol.Wt.: 458.5
Status: Custom Synthesis
Ritonavir Impurity 21
CAT No: VS-R043064
CAS No: 144164-11-4
Mol.F.: C23H27N3O3S
Mol.Wt.: 425.55
Status: Custom Synthesis
Ritonavir Impurity 22
CAT No: VS-R043065
CAS No: 154212-60-9
Mol.F.: C8H14N2S
Mol.Wt.: 170.3
Status: Custom Synthesis
Ritonavir Impurity 3
CAT No: VS-R043043
CAS No: 1283151-18-7
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 4
CAT No: VS-R043044
CAS No: 1414933-85-9
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 5
CAT No: VS-R043045
CAS No: 1414933-94-0
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 6
CAT No: VS-R043046
CAS No: 220887-41-2
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 7
CAT No: VS-R043047
CAS No: 1414933-89-3
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 8
CAT No: VS-R043048
CAS No: 1414933-91-7
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity 9
CAT No: VS-R043049
CAS No: 1414933-83-7
Mol.F.: C23H32N2O3
Mol.Wt.: 384.5
Status: Custom Synthesis
Ritonavir Impurity J + K (Mixture of Boc-Amino Alcohol and Isobutoxy Carbonyl Amino Alcohol
CAT No: VS-R043024
CAS No: N/A
Mol.F.: C28H35N3O5S : C28H35N3O5S
Mol.Wt.: 525.7 : 525.7
Status: Custom Synthesis
Ritonavir Isoleucine Analog
CAT No: VS-R043028
CAS No: N/A
Mol.F.: C38H50N6O5S2
Mol.Wt.: 735
Status: Custom Synthesis
Ritonavir-Glycerol carbamate Analog
CAT No: VS-R043029
CAS No: 1010809-54-7
Mol.F.: C32H42N4O8S
Mol.Wt.: 642.8
Status: Custom Synthesis
