Lenacapavir and its Impurities
Lenacapavir, sold under the brand name Sunlenca, is an antiretroviral medication used to treat HIV/AIDS. Reference standards of Lenacapavir API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


2-((3bR,4aS)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic Acid
2-((3bR,4aS)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic Acid
Catalogue No.:PA 12 2091000
CAS :
2189680-65-5
Molecular Formula : C10H7F5N2O2
Molecular Weight : 282.17


N-((S)-1-(3-(4-Chloro-3-(N-(methylsulfonyl)methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
N-((S)-1-(3-(4-Chloro-3-(N-(methylsulfonyl)methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
Catalogue No.:PA 12 2091001
CAS :
2189684-58-8
Molecular Formula : C40H34ClF10N7O7S3
Molecular Weight : 1046.37


7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-indazol-3-amine
7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-indazol-3-amine
Catalogue No.:PA 12 2091002
CAS :
3025145-62-1
Molecular Formula : C15H19BF3N3O2
Molecular Weight : 341.14


Ethyl 2-((3bS,4aR)-3-(trifluoromethyl)-4,4a-dihydrospiro[cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-5,2'-[1,3]dithiolane]-1(3bH)-yl)acetate
Ethyl 2-((3bS,4aR)-3-(trifluoromethyl)-4,4a-dihydrospiro[cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-5,2'-[1,3]dithiolane]-1(3bH)-yl)acetate
Catalogue No.:PA 12 2091003
CAS :
2375020-09-8
Molecular Formula : C14H15F3N2O2S2
Molecular Weight : 364.4


Ethyl 2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetate
Ethyl 2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetate
Catalogue No.:PA 12 2091004
CAS :
2375020-13-4
Molecular Formula : C12H11F5N2O2
Molecular Weight : 310.22


2-((3bS,4aR)-5-Oxo-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic Acid
2-((3bS,4aR)-5-Oxo-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic Acid
Catalogue No.:PA 12 2091005
CAS :
NA
Molecular Formula : C10H7F3N2O3
Molecular Weight : 260.17


2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-2H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-2-yl)acetic Acid
2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-2H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-2-yl)acetic Acid
Catalogue No.:PA 12 2091006
CAS :
NA
Molecular Formula : C10H7F5N2O2
Molecular Weight : 282.17


2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic Acid
2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic Acid
Catalogue No.:PA 12 2091007
CAS :
1620056-83-8
Molecular Formula : C10H7F5N2O2
Molecular Weight : 282.17


(S)-1-(3-Bromo-6-chloropyridin-2-yl)-2-(3,5-difluorophenyl)ethan-1-amine compound with (S)-1-(6-bromo-3-chloropyridin-2-yl)-2-(3,5-difluorophenyl)ethan-1-amine (1:1)
(S)-1-(3-Bromo-6-chloropyridin-2-yl)-2-(3,5-difluorophenyl)ethan-1-amine compound with (S)-1-(6-bromo-3-chloropyridin-2-yl)-2-(3,5-difluorophenyl)ethan-1-amine (1:1)
Catalogue No.:PA 12 2091010
CAS :
NA
Molecular Formula : C13H10BrClF2N2
Molecular Weight : 347.59


N-((S)-1-(3-(4-Chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methylbut-3-en-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
N-((S)-1-(3-(4-Chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methylbut-3-en-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
Catalogue No.:PA 12 2091013
CAS :
NA
Molecular Formula : C38H28ClF10N7O3S
Molecular Weight : 888.18


(S)-N-(7-(2-(1-Amino-2-(3,5-Difluorophenyl)ethyl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-3-yl)-4-chloro-1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl)methanesulfonamide
(S)-N-(7-(2-(1-Amino-2-(3,5-Difluorophenyl)ethyl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-3-yl)-4-chloro-1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl)methanesulfonamide
Catalogue No.:PA 12 2091015
CAS :
3053923-46-6
Molecular Formula : C29H27ClF5N5O4S2
Molecular Weight : 704.13


N-((S)-1-(3-(3-Amino-4-chloro-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
N-((S)-1-(3-(3-Amino-4-chloro-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
Catalogue No.:PA 12 2091019
CAS :
2375020-20-3
Molecular Formula : C38H30ClF10N7O3S
Molecular Weight : 890.2


N-((S)-1-(3-(4-Chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5-oxo-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
N-((S)-1-(3-(4-Chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5-oxo-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide
Catalogue No.:PA 12 2091018
CAS :
NA
Molecular Formula : C39H32ClF8N7O6S2
Molecular Weight : 946.29


2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)-N-((S)-2-(3,5-difluorophenyl)-1-(6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)ethyl)acetamide
2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)-N-((S)-2-(3,5-difluorophenyl)-1-(6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)ethyl)acetamide
Catalogue No.:PA 12 2091017
CAS :
NA
Molecular Formula : C29H25F7N4O3S
Molecular Weight : 642.59


(S)-N-(1-(3-(4-Chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)acetamide
(S)-N-(1-(3-(4-Chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)acetamide
Catalogue No.:PA 12 2091016
CAS :
NA
Molecular Formula : C31H29ClF5N5O5S2
Molecular Weight : 746.17