tiamulin and its Impurities
An antibacterial drug used in veterinary purpose. It works by inhibiting protein synthesis in bacteria by binding to the peptidyl transferase component of the 50S subunit of ribosomes. A semisynthetic derivative of pleuromutilin.Reference standards of Tiamulin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(3aR,4R,5R,7S,8S,9R,9aS,12R)-8-Hydroxy-4,7,9,12-tetramethyl-3-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)sulfinyl)acetate
(3aR,4R,5R,7S,8S,9R,9aS,12R)-8-Hydroxy-4,7,9,12-tetramethyl-3-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)sulfinyl)acetate
Catalogue No.:PA 20 33520
CAS :
2083661-68-9
Molecular Formula : C28H47NO5S
Molecular Weight : 509.74


(4R,5R,7S,8S,9R,9aS,12R)-8-Hydroxy-4,7,9,12-tetramethyl-7-vinyl-4,5,6,7,8,9-hexahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(4R,5R,7S,8S,9R,9aS,12R)-8-Hydroxy-4,7,9,12-tetramethyl-7-vinyl-4,5,6,7,8,9-hexahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PA 20 33530
CAS :
NA
Molecular Formula : C28H45NO3S
Molecular Weight : 475.73


(3aS,4R,5S,6S,9R,9aR)-8-(2-((2-(Ethyl(methyl)amino)ethyl)thio)acetoxy)-4,6,9-trimethyl-1-oxo-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-5-yl pivalate
(3aS,4R,5S,6S,9R,9aR)-8-(2-((2-(Ethyl(methyl)amino)ethyl)thio)acetoxy)-4,6,9-trimethyl-1-oxo-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-5-yl pivalate
Catalogue No.:PAI 20 010010
CAS :
NA
Molecular Formula : C31H51NO5S
Molecular Weight : 549.81


(3aS,4R,5S,6S,9R,9aR)-8-(2-((2-(Ethyl(methyl)amino)ethyl)thio)acetoxy)-1-hydroxy-4,6,9-trimethyl-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-5-yl pivalate
(3aS,4R,5S,6S,9R,9aR)-8-(2-((2-(Ethyl(methyl)amino)ethyl)thio)acetoxy)-1-hydroxy-4,6,9-trimethyl-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-5-yl pivalate
Catalogue No.:PAI 20 010020
CAS :
NA
Molecular Formula : C31H53NO5S
Molecular Weight : 551.82


(3aS,4R,5S,6S,9R,9aR)-1-((tert-Butyldimethylsilyl)oxy)-8-(2-((2-(ethyl(methyl)amino)ethyl)thio)acetoxy)-4,6,9-trimethyl-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-5-yl pivalate
(3aS,4R,5S,6S,9R,9aR)-1-((tert-Butyldimethylsilyl)oxy)-8-(2-((2-(ethyl(methyl)amino)ethyl)thio)acetoxy)-4,6,9-trimethyl-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-5-yl pivalate
Catalogue No.:PAI 20 010030
CAS :
NA
Molecular Formula : C37H67NO5SSi
Molecular Weight : 666.08


(3aR,4S,6R,9R,9aR)-1-((tert-Butyldimethylsilyl)oxy)-4,6,9-trimethyl-5-oxo-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-8-yl 2-((2-(ethyl(methyl)amino)ethyl)thio)acetate
(3aR,4S,6R,9R,9aR)-1-((tert-Butyldimethylsilyl)oxy)-4,6,9-trimethyl-5-oxo-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-8-yl 2-((2-(ethyl(methyl)amino)ethyl)thio)acetate
Catalogue No.:PAI 20 010040
CAS :
NA
Molecular Formula : C32H57NO4SSi
Molecular Weight : 579.95


(4R,6S,8R)-4,6-Dimethyl-1,5-dioxo-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-8-yl 2-((2-(diethylamino)ethyl)thio)acetate
(4R,6S,8R)-4,6-Dimethyl-1,5-dioxo-6-vinyldecahydro-3a,9-propanocyclopenta[8]annulen-8-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010050
CAS :
NA
Molecular Formula : C26H41NO4S
Molecular Weight : 463.68


(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-Hydroxy-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-Hydroxy-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
Catalogue No.:PAI 20 010060
CAS :
NA
Molecular Formula : C41H48O5
Molecular Weight : 620.83


(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
Catalogue No.:PAI 20 010070
CAS :
NA
Molecular Formula : C47H62O5Si
Molecular Weight : 735.09


(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-3-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-3-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
Catalogue No.:PAI 20 010080
CAS :
NA
Molecular Formula : C47H64O5Si
Molecular Weight : 737.11


(3aR,4R,5R,7S,8R,9R,9aR,11R)-3-Acetoxy-8-((tert-butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-3-Acetoxy-8-((tert-butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
Catalogue No.:PAI 20 010090
CAS :
NA
Molecular Formula : C49H66O6Si
Molecular Weight : 779.15


(3aR,4R,5R,7S,8R,9R,9aR,11R)-3-Acetoxy-8-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-3-Acetoxy-8-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
Catalogue No.:PAI 20 010100
CAS :
NA
Molecular Formula : C43H52O6
Molecular Weight : 664.88


(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-4,7,9,9a,11-pentamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-4,7,9,9a,11-pentamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-(trityloxy)acetate
Catalogue No.:PAI 20 010110
CAS :
NA
Molecular Formula : C43H50O6
Molecular Weight : 662.87


(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-3a,4,7,9,9a,11-hexamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-hydroxyacetate
(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-3a,4,7,9,9a,11-hexamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-hydroxyacetate
Catalogue No.:PAI 20 010120
CAS :
NA
Molecular Formula : C25H38O6
Molecular Weight : 434.57


(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-3a,4,7,9,9a,11-hexamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-hydroxyethyl)thio)acetate
(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-3a,4,7,9,9a,11-hexamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-hydroxyethyl)thio)acetate
Catalogue No.:PAI 20 010130
CAS :
NA
Molecular Formula : C27H42O6S
Molecular Weight : 494.69


(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-3a,4,7,9,9a,11-hexamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-bromoethyl)thio)acetate
(3aR,4R,5R,7S,9R,9aR,11R)-3-Acetoxy-3a,4,7,9,9a,11-hexamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-bromoethyl)thio)acetate
Catalogue No.:PAI 20 010140
CAS :
NA
Molecular Formula : C27H41BrO5S
Molecular Weight : 557.58


(3aR,4R,5R,7S,9R,9aS,11R)-3a,4,7,9,9a,11-Hexamethyl-3,8-dioxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,9R,9aS,11R)-3a,4,7,9,9a,11-Hexamethyl-3,8-dioxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010150
CAS :
NA
Molecular Formula : C29H47NO4S
Molecular Weight : 505.76


(3aR,4R,5R,7S,9R,9aS,11R)-8-Hydroxy-3a,4,7,9,9a,11-hexamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,9R,9aS,11R)-8-Hydroxy-3a,4,7,9,9a,11-hexamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010160
CAS :
NA
Molecular Formula : C29H49NO4S
Molecular Weight : 507.77


(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010170
CAS :
NA
Molecular Formula : C34H61NO4SSi
Molecular Weight : 608.01


(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-2-hydroxy-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-2-hydroxy-4,7,9,9a,11-pentamethyl-3-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010180
CAS :
NA
Molecular Formula : C34H61NO5SSi
Molecular Weight : 624.01


(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-2-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-8-((tert-Butyldimethylsilyl)oxy)-2-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010190
CAS :
NA
Molecular Formula : C34H63NO4SSi
Molecular Weight : 610.03


(3aR,4R,5R,7S,8R,9R,9aR,11R)-2-Acetoxy-8-((tert-butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-2-Acetoxy-8-((tert-butyldimethylsilyl)oxy)-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010200
CAS :
NA
Molecular Formula : C36H65NO5SSi
Molecular Weight : 652.06


(3aR,4R,5R,7S,8R,9R,9aR,11R)-2-Acetoxy-8-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,8R,9R,9aR,11R)-2-Acetoxy-8-hydroxy-4,7,9,9a,11-pentamethyl-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010210
CAS :
NA
Molecular Formula : C30H51NO5S
Molecular Weight : 537.80


(3aR,4R,5R,7S,9R,9aR,11R)-2-Acetoxy-4,7,9,9a,11-pentamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
(3aR,4R,5R,7S,9R,9aR,11R)-2-Acetoxy-4,7,9,9a,11-pentamethyl-8-oxo-7-vinyldecahydro-1H-4,9-ethanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate
Catalogue No.:PAI 20 010220
CAS :
NA
Molecular Formula : C30H49NO5S
Molecular Weight : 535.78