Pharmaceutical Reference Standards / Impurity Standards

Ritonavir
Ritonavir
  • CAT. No.R180000
  • CAS. No.155213-67-5
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Instock
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1,3-thiazol-5-ylmethyl N-[(2S,3S,5S)-5-amino-3-hydroxy-1,6-diphenylhexan-2-yl]carbamate
1,3-thiazol-5-ylmethyl N-[(2S,3S,5S)-5-amino-3-hydroxy-1,6-diphenylhexan-2-yl]carbamate
  • CAT. No.R180002
  • CAS. No.144164-11-4
  • Mol. F.C23H27N3O3S
  • Mol. W.425.54 g/mol
  • Stock Status:Under Synthesis
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Ritonavir EP mpurity L
Ritonavir EP mpurity L
  • CAT. No.R180003
  • CAS. No.256328-82-2
  • Mol. F.C33H43N5O4S
  • Mol. W.605.81 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity F
Ritonavir EP Impurity F
  • CAT. No.R180004
  • CAS. No.1010809-61-6
  • Mol. F.C29H34N4O5S
  • Mol. W.550.67 g/mol
  • Stock Status:Instock
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Ritonavir Related Compound Mixture
Ritonavir Related Compound Mixture
  • CAT. No.R180005
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Under Synthesis
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Ritonavir Geo-isomer Hydrochloride
Ritonavir Geo-isomer Hydrochloride
  • CAT. No.R180006
  • CAS. No.NA
  • Mol. F.C37H48N6O5S2.HCl
  • Mol. W.757.41 g/mol
  • Stock Status:Under Synthesis
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Ritonavir Geo-Isomer
Ritonavir Geo-Isomer
  • CAT. No.R180006A
  • CAS. No.959315-21-0
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity H
Ritonavir EP Impurity H
  • CAT. No.R180007
  • CAS. No.1010809-43-4
  • Mol. F.C30H32N4O6S
  • Mol. W.576.68 g/mol
  • Stock Status:Under Synthesis
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Ritonavir EP Impurity O
Ritonavir EP Impurity O
  • CAT. No.R180008
  • CAS. No.1414933-81-5
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.96 g/mol
  • Stock Status:Limited Stock
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Ritonavir EP Impurity E
Ritonavir EP Impurity E
  • CAT. No.R180009
  • CAS. No.176655-56-4
  • Mol. F.C37H48N6O6S2
  • Mol. W.736.94 g/mol
  • Stock Status:Under Synthesis
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Ritonavir EP Impurity G
Ritonavir EP Impurity G
  • CAT. No.R180011
  • CAS. No.2034136-66-6
  • Mol. F.C37H48N6O7S2
  • Mol. W.752.94 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity C
Ritonavir EP Impurity C
  • CAT. No.R180012
  • CAS. No.1010808-43-1
  • Mol. F.C25H29N3O4S
  • Mol. W.467.58 g/mol
  • Stock Status:Limited Stock
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Ritonavir EP Impurity D
Ritonavir EP Impurity D
  • CAT. No.R180013
  • CAS. No.144142-33-6
  • Mol. F.C28H30N4O5S2
  • Mol. W.566.69 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity J
Ritonavir EP Impurity J
  • CAT. No.R180014
  • CAS. No.162849-95-8
  • Mol. F.C28H35N3O5S
  • Mol. W.525.66 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity P
Ritonavir EP Impurity P
  • CAT. No.R180015
  • CAS. No.2804644-96-8
  • Mol. F.C47H52N6O7S2
  • Mol. W.877.10 g/mol
  • Stock Status:Limited Stock
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Ritonavir EP Impurity Q
Ritonavir EP Impurity Q
  • CAT. No.R180016
  • CAS. No.1414933-82-6
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity S
Ritonavir EP Impurity S
  • CAT. No.R180017
  • CAS. No.2084828-53-3
  • Mol. F.C52H61N7O8S2
  • Mol. W.976.22 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity B
Ritonavir EP Impurity B
  • CAT. No.R180018
  • CAS. No.765875-58-9
  • Mol. F.C28H36N4O4S
  • Mol. W.524.67 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity I
Ritonavir EP Impurity I
  • CAT. No.R180019
  • CAS. No.165315-26-4
  • Mol. F.C36H46N6O5S5
  • Mol. W.706.92 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity K
Ritonavir EP Impurity K
  • CAT. No.R180020
  • CAS. No.1010809-39-8
  • Mol. F.C28H35N3O5S
  • Mol. W.525.66 g/mol
  • Stock Status:Instock
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Ritonavir Ureidovaline Isobutyl Ester
Ritonavir Ureidovaline Isobutyl Ester
  • CAT. No.R180021
  • CAS. No.NA
  • Mol. F.C18H31N3O3S
  • Mol. W.369.50 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity N
Ritonavir EP Impurity N
  • CAT. No.R180022
  • CAS. No.202816-62-4
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Custom Synthesis
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3-Epimer Ritonavir
3-Epimer Ritonavir
  • CAT. No.R180023
  • CAS. No.1414933-81-5
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity T
Ritonavir EP Impurity T
  • CAT. No.R180024
  • CAS. No.869368-48-9
  • Mol. F.C46H66N8O5S2
  • Mol. W.875.20 g/mol
  • Stock Status:Instock
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Ritonavir EP Impurity U
Ritonavir EP Impurity U
  • CAT. No.R180025
  • CAS. No.NA
  • Mol. F.C51H69N9O7S3
  • Mol. W.1016.35 g/mol
  • Stock Status:Under Synthesis
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Ritonavir EP Impurity A
Ritonavir EP Impurity A
  • CAT. No.R180026
  • CAS. No.154212-61-0
  • Mol. F.C14H23N3O3S
  • Mol. W.313.42 g/mol
  • Stock Status:Instock
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Ritonavir-Glycerol carbamate analog
Ritonavir-Glycerol carbamate analog
  • CAT. No.R180027
  • CAS. No.1010809-54-7
  • Mol. F.C33H45N5O7S
  • Mol. W.655.80 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity V
Ritonavir EP Impurity V
  • CAT. No.R180028
  • CAS. No.NA
  • Mol. F.C38H50N6O4S2
  • Mol. W.719.00 g/mol
  • Stock Status:Instock
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Ritonavir Impurity A RRT 5.78
Ritonavir Impurity A RRT 5.78
  • CAT. No.R180034
  • CAS. No.959351-57-6
  • Mol. F.C31H41N5O5S
  • Mol. W.595.75 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity R
Ritonavir EP Impurity R
  • CAT. No.R180037
  • CAS. No.1414933-80-4
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 3
Ritonavir Impurity 3
  • CAT. No.R180038
  • CAS. No.1283151-18-7
  • Mol. F.C23H32N2O3
  • Mol. W.384.51 g/mol
  • Stock Status:Custom Synthesis
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(S)-2-(3-((2-(2-hydroxypropan-2-yl)thiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid
(S)-2-(3-((2-(2-hydroxypropan-2-yl)thiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid
  • CAT. No.R180039
  • CAS. No.NA
  • Mol. F.C14H23N3O4S
  • Mol. W.329.42 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity M
Ritonavir EP Impurity M
  • CAT. No.R180040
  • CAS. No.NA
  • Mol. F.C18H31N3O3S
  • Mol. W.369.50 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir hydroxy Impurity
Ritonavir hydroxy Impurity
  • CAT. No.R180041
  • CAS. No.2519851-81-9
  • Mol. F.C14H23N3O4S
  • Mol. W.329.42 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 9
Ritonavir Impurity 9
  • CAT. No.R180042
  • CAS. No.1414933-83-7
  • Mol. F.C23H32N2O3
  • Mol. W.384.52 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Form-II
Ritonavir Form-II
  • CAT. No.R180043
  • CAS. No.155213-67-5
  • Mol. F.C37H48N6O5S2
  • Mol. W.720.94 g/mol
  • Stock Status:Instock
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thiazol-5-ylmethyl((2S,3S,5S)-3-hydroxy-5-((2R,3R)-2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylpentanamido)-1,6-diphenylhexan-2-yl)carbamate
thiazol-5-ylmethyl((2S,3S,5S)-3-hydroxy-5-((2R,3R)-2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylpentanamido)-1,6-diphenylhexan-2-yl)carbamate
  • CAT. No.R180044
  • CAS. No.NA
  • Mol. F.C38H50N6O5S2
  • Mol. W.734.97 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Diamino Alcohol Impurity
Ritonavir Diamino Alcohol Impurity
  • CAT. No.R180045
  • CAS. No.144163-44-0
  • Mol. F.C18H24N2O
  • Mol. W.284.40 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 22
Ritonavir Impurity 22
  • CAT. No.R180046
  • CAS. No.2470440-54-9
  • Mol. F.C15H23N3S2
  • Mol. W.309.50 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 23
Ritonavir Impurity 23
  • CAT. No.R180047
  • CAS. No.1004316-34-0
  • Mol. F.C13H21N3O3S
  • Mol. W.299.39 g/mol
  • Stock Status:Custom Synthesis
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lithium (ethyl((2-isopropylthiazol-4yl) methyl) carbamoyl)-L-valinate
lithium (ethyl((2-isopropylthiazol-4yl) methyl) carbamoyl)-L-valinate
  • CAT. No.R180048
  • CAS. No.NA
  • Mol. F.C15H24LiN3O3S
  • Mol. W.333.38 g/mol
  • Stock Status:Custom Synthesis
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lithium(((2isopropylthiazol-4yl)methyl)(methyl)carbamo yl)-L-isoleucinate
lithium(((2isopropylthiazol-4yl)methyl)(methyl)carbamo yl)-L-isoleucinate
  • CAT. No.R180049
  • CAS. No.NA
  • Mol. F.C15H24LiN3O3S
  • Mol. W.333.38 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 29
Ritonavir Impurity 29
  • CAT. No.R180050
  • CAS. No.NA
  • Mol. F.C8H12N2OS
  • Mol. W.184.26 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 18
Ritonavir Impurity 18
  • CAT. No.R180051
  • CAS. No.1370406-80-6
  • Mol. F.C23H28ClN3O2S
  • Mol. W.446.01 g/mol
  • Stock Status:Custom Synthesis
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O-Acetyl Ritonavir
O-Acetyl Ritonavir
  • CAT. No.R180052
  • CAS. No.183246-46-0
  • Mol. F.C14H23N3O3S
  • Mol. W.313.42 g/mol
  • Stock Status:Custom Synthesis
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tert-Butyl((2S,4S,5S)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)Carbamate Hemisuccinic Acid
tert-Butyl((2S,4S,5S)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)Carbamate Hemisuccinic Acid
  • CAT. No.R180053
  • CAS. No.NA
  • Mol. F.C23H32N2O3.1/2C4H6O4
  • Mol. W.443.51 g/mol
  • Stock Status:Custom Synthesis
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(S)-2-(3-(2-isopropylthiazol-4-yl)propanamido)-3-methylbutanoic acid
(S)-2-(3-(2-isopropylthiazol-4-yl)propanamido)-3-methylbutanoic acid
  • CAT. No.R180054
  • CAS. No.NA
  • Mol. F.C14H22N2O3S
  • Mol. W.298.40 g/mol
  • Stock Status:Custom Synthesis
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Atazanavir Nitroso Impurity 1
Atazanavir Nitroso Impurity 1
  • CAT. No.R180055
  • CAS. No.NA
  • Mol. F.C8H13N3OS
  • Mol. W.199.27 g/mol
  • Stock Status:Instock
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Ritonavir Impurity 8
Ritonavir Impurity 8
  • CAT. No.R180056
  • CAS. No.1414933-91-7
  • Mol. F.C23H32N2O3
  • Mol. W.384.50 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 5
Ritonavir Impurity 5
  • CAT. No.R180057
  • CAS. No.1414933-94-0
  • Mol. F.C23H32N2O3
  • Mol. W.384.51 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 10
Ritonavir Impurity 10
  • CAT. No.R180058
  • CAS. No.144163-85-9
  • Mol. F.C23H32N2O3
  • Mol. W.384.51 g/mol
  • Stock Status:Custom Synthesis
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Mixture of Ureidovaline and N-Deacylvaline Ritonavir
Mixture of Ureidovaline and N-Deacylvaline Ritonavir
  • CAT. No.R180060
  • CAS. No.NA
  • Mol. F.C28H36N4O4S.C14H23N3O3S
  • Mol. W.838.09 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir EP Impurity S
Ritonavir EP Impurity S
  • CAT. No.R180061
  • CAS. No.2084828-53-3
  • Mol. F.C52H61N7O8S2
  • Mol. W.976.22 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 18
Ritonavir Impurity 18
  • CAT. No.R180062
  • CAS. No.NA
  • Mol. F.C23H27N3O2S
  • Mol. W.409.54 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 2
Ritonavir Impurity 2
  • CAT. No.R180063
  • CAS. No.NA
  • Mol. F.C28H30N4O4S2
  • Mol. W.550.69 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 1
Ritonavir Impurity 1
  • CAT. No.R180064
  • CAS. No.NA
  • Mol. F.C23H27N3O2S.HCl
  • Mol. W.446.01 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Impurity 4
Ritonavir Impurity 4
  • CAT. No.R180065
  • CAS. No.NA
  • Mol. F.C23H28ClN3O2S
  • Mol. W.446.01 g/mol
  • Stock Status:Custom Synthesis
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Ritonavir Isoleucine Analog
Ritonavir Isoleucine Analog
  • CAT. No.R180066
  • CAS. No.NA
  • Mol. F.C38H50N6O5S2
  • Mol. W.734.97 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Ritonavir-d6
Ritonavir-d6
  • CAT. No.R180001
  • CAS. No.1217720-20-1
  • Mol. F.C37H42D6N6O5S2
  • Mol. W.726.98 g/mol
  • Stock Status:Under Synthesis
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Ritonavir-13C-D3
Ritonavir-13C-D3
  • CAT. No.R180010
  • CAS. No.NA
  • Mol. F.C3613CH45D3N6O5S2
  • Mol. W.724.96 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso Ritonavir Intermediate D6
N-Nitroso Ritonavir Intermediate D6
  • CAT. No.R180059
  • CAS. No.NA
  • Mol. F.C8H7D6N3OS
  • Mol. W.205.31 g/mol
  • Stock Status:Custom Synthesis
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