dolutegravir and its Impurities
Dolutegravir is a HIV-1 intergrase inhibitor that blocks the strand transfer step of the integration of the viral genome into the host cell.. Reference standards of Dolutegravir API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
(4S,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
(4S,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
Catalogue No.:PA 04 95550
CAS :
2730133-58-9
Molecular Formula : C14H16N2O6
Molecular Weight : 308.29
(4R,12aS)-N-(2,4-Difluorobenzyl)-7-((2,4-difluorobenzyl)amino)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-N-(2,4-Difluorobenzyl)-7-((2,4-difluorobenzyl)amino)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 95560
CAS :
NA
Molecular Formula : C27H24F4N4O4
Molecular Weight : 544.5
(R)-7-(2,4-Difluorobenzylcarbamoyl)-2-(4-(2,4-difluorobenzylcarbamoyloxy)butan-2-yl)-1,8-dioxo-2,8-dihydro-1H-pyrido[1,2-a]pyrazine-9-olate Sodium Salt
(R)-7-(2,4-Difluorobenzylcarbamoyl)-2-(4-(2,4-difluorobenzylcarbamoyloxy)butan-2-yl)-1,8-dioxo-2,8-dihydro-1H-pyrido[1,2-a]pyrazine-9-olate Sodium Salt
Catalogue No.:PA 04 95590
CAS :
NA
Molecular Formula : C28H23F4N4NaO6
Molecular Weight : 610.49
Sodium (4S,12aR)-9-((2,4-difluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Sodium (4S,12aR)-9-((2,4-difluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Catalogue No.:PA 04 0951001
CAS :
1309575-43-6
Molecular Formula : C20H18F2N3NaO5
Molecular Weight : 441.37
(R)-N-(2,4-Difluorobenzyl)-9-ethoxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxamide
(R)-N-(2,4-Difluorobenzyl)-9-ethoxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxamide
Catalogue No.:PA 04 0951002
CAS :
2778347-47-8
Molecular Formula : C22H23F2N3O5
Molecular Weight : 447.44
Sodium (4S,12aS)-9-((2,4-difluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Sodium (4S,12aS)-9-((2,4-difluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Catalogue No.:PA 04 95610
CAS :
NA
Molecular Formula : C20H18F2N3NaO5
Molecular Weight : 441.37
(S)-2-(4-Hydroxybutan-2-yl)-9-methoxy-1,8-dioxo-2,8-dihydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic Acid
(S)-2-(4-Hydroxybutan-2-yl)-9-methoxy-1,8-dioxo-2,8-dihydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic Acid
Catalogue No.:PA 04 95630
CAS :
2512216-43-0
Molecular Formula : C14H16N2O6
Molecular Weight : 308.29
(R)-N-(2,4-Difluorobenzyl)-9-hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-2,3,4,8-tetrahydro-1H-pyrido[1,2-a]pyrazine-7-carboxamide
(R)-N-(2,4-Difluorobenzyl)-9-hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-2,3,4,8-tetrahydro-1H-pyrido[1,2-a]pyrazine-7-carboxamide
Catalogue No.:PA 04 95640
CAS :
2518311-04-9
Molecular Formula : C20H21F2N3O5
Molecular Weight : 421.4
(R)-2-(4-Hydroxybutan-2-yl)-9-methoxy-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxylic Acid
(R)-2-(4-Hydroxybutan-2-yl)-9-methoxy-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxylic Acid
Catalogue No.:PA 04 0951004
CAS :
2710626-41-6
Molecular Formula : C14H16N2O6
Molecular Weight : 308.29
(4S,12aR)-N-(5-Benzyl-2,4-difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4S,12aR)-N-(5-Benzyl-2,4-difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951009
CAS :
NA
Molecular Formula : C27H25F2N3O5
Molecular Weight : 509.51
1-(2,3-Dihydroxypropyl)-4-oxo-3-[(phenylmethyl)oxy]-1,4-dihydro-2-pyridinecarboxylic acid methyl ester
1-(2,3-Dihydroxypropyl)-4-oxo-3-[(phenylmethyl)oxy]-1,4-dihydro-2-pyridinecarboxylic acid methyl ester
Catalogue No.:PA 04 0951011
CAS :
1206102-07-9
Molecular Formula : C17H19NO6
Molecular Weight : 333.34
(4R,12aS)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951014
CAS :
1485081-26-2
Molecular Formula : C13H15N3O5
Molecular Weight : 293.28
(3S,7R)-11-hydroxy-7-methyl-9,12-dioxo-4-oxa-1,8-diazatricyclo[8.4.0.03,8]tetradeca-10,13-diene-13-carboxylic acid
(3S,7R)-11-hydroxy-7-methyl-9,12-dioxo-4-oxa-1,8-diazatricyclo[8.4.0.03,8]tetradeca-10,13-diene-13-carboxylic acid
Catalogue No.:PA 04 0951015
CAS :
1246616-73-8
Molecular Formula : C13H14N2O6
Molecular Weight : 294.26
(4R,12aS)-N-(5-benzyl-2,4-difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-N-(5-benzyl-2,4-difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951016
CAS :
1973402-10-6
Molecular Formula : C27H25F2N3O5
Molecular Weight : 509.51
(4R,12aS)-7-(benzyloxy)-N-(2,4-difluorobenzyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-7-(benzyloxy)-N-(2,4-difluorobenzyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951017
CAS :
1206102-11-5
Molecular Formula : C27H25F2N3O5
Molecular Weight : 509.51
(4R,12aS)-N-(2,4-difluorobenzyl)-7-ethoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-N-(2,4-difluorobenzyl)-7-ethoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951019
CAS :
1802141-49-6
Molecular Formula : C22H23F2N3O5
Molecular Weight : 447.44
(R)-N-(2,4-difluorobenzyl)-9-hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxamide
(R)-N-(2,4-difluorobenzyl)-9-hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxamide
Catalogue No.:PA 04 0951021
CAS :
1973402-05-9
Molecular Formula : C20H19F2N3O5
Molecular Weight : 419.38
N-(2,4-Difluorobenzyl)-9-hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxamide
N-(2,4-Difluorobenzyl)-9-hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxamide
Catalogue No.:PA 04 0951022
CAS :
2374716-73-9
Molecular Formula : C20H19F2N3O5
Molecular Weight : 419.38
(4R,12aR)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid
(4R,12aR)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid
Catalogue No.:PA 04 0951024
CAS :
2315439-81-5
Molecular Formula : C14H16N2O6
Molecular Weight : 308.29
Sodium (4R,12aS)-9-((4-fluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Sodium (4R,12aS)-9-((4-fluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Catalogue No.:PA 04 0951027
CAS :
NA
Molecular Formula : C20H19FN3NaO5
Molecular Weight : 423.38
(4R,12aS)-N-Benzyl-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-N-Benzyl-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951028
CAS :
2244245-34-7
Molecular Formula : C21H23N3O5
Molecular Weight : 397.43
Sodium (R)-7-((2,4-difluorobenzyl)carbamoyl)-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-9-olate
Sodium (R)-7-((2,4-difluorobenzyl)carbamoyl)-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-9-olate
Catalogue No.:PA 04 0951029
CAS :
NA
Molecular Formula : C20H18F2N3NaO5
Molecular Weight : 441.37
(4R,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
(4R,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
Catalogue No.:PA 04 0951030
CAS :
1335210-34-8
Molecular Formula : C14H16N2O6
Molecular Weight : 308.29
N-(2,4-Difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
N-(2,4-Difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951031
CAS :
1830380-29-4
Molecular Formula : C20H19F2N3O5
Molecular Weight : 419.38
Sodium (4R,12aS)-9-((2-fluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Sodium (4R,12aS)-9-((2-fluorobenzyl)carbamoyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazin-7-olate
Catalogue No.:PA 04 0951033
CAS :
NA
Molecular Formula : C20H19FN3NaO5
Molecular Weight : 423.38
(4S,12aR)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
(4S,12aR)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
Catalogue No.:PA 04 0951034
CAS :
2583719-60-0
Molecular Formula : C14H16N2O6
Molecular Weight : 308.29
(4R,12aR)-7-Ethoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
(4R,12aR)-7-Ethoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid
Catalogue No.:PA 04 0951037
CAS :
NA
Molecular Formula : C15H18N2O6
Molecular Weight : 322.32
(R)-3-(7-((2,4-Difluorobenzyl)carbamoyl)-9-hydroxy-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-2-yl)butyl (2,4-difluorobenzyl)carbamate
(R)-3-(7-((2,4-Difluorobenzyl)carbamoyl)-9-hydroxy-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-2-yl)butyl (2,4-difluorobenzyl)carbamate
Catalogue No.:PA 04 0951039
CAS :
2244161-73-5
Molecular Formula : C28H24F4N4O6
Molecular Weight : 588.52
Ethyl (4R,12aS)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylate
Ethyl (4R,12aS)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylate
Catalogue No.:PA 04 0951040
CAS :
2677842-37-2
Molecular Formula : C15H18N2O6
Molecular Weight : 322.32
(R)-9-Hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxylic Acid
(R)-9-Hydroxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazine-7-carboxylic Acid
Catalogue No.:PA 04 0951041
CAS :
NA
Molecular Formula : C13H14N2O6
Molecular Weight : 294.26
rel-(4R,12aR)-N-(2,4-difluorobenzyl)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
rel-(4R,12aR)-N-(2,4-difluorobenzyl)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951044
CAS :
2968897-85-8
Molecular Formula : C21H21F2N3O5
Molecular Weight : 433.41
(4R,12aS)-N-(4-((2,4-Difluorobenzyl)amino)-2-fluorobenzyl)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
(4R,12aS)-N-(4-((2,4-Difluorobenzyl)amino)-2-fluorobenzyl)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide
Catalogue No.:PA 04 0951047
CAS :
2767197-74-8
Molecular Formula : C28H27F3N4O5
Molecular Weight : 556.54
5-((2,4-Difluorobenzyl)carbamoyl)-3-hydroxy-1-((4-methyl-1,3-oxazinan-2-yl)methyl)-4-oxo-1,4-dihydropyridine-2-carboxylic Acid
5-((2,4-Difluorobenzyl)carbamoyl)-3-hydroxy-1-((4-methyl-1,3-oxazinan-2-yl)methyl)-4-oxo-1,4-dihydropyridine-2-carboxylic Acid
Catalogue No.:PA 04 0951048
CAS :
1800247-07-7
Molecular Formula : C20H21F2N3O6
Molecular Weight : 437.4