amoxicillin and its Impurities
Amoxicillin is used in the treatment of a number of infections, including acute otitis media, streptococcal pharyngitis, pneumonia, skin infections, urinary tract infections, Salmonella infections, Lyme disease, and chlamydia infections.It is discovered in 1958 and came into medical use in 1972. Reference standards of Amoxicillin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(4R)-2-[(2R)-5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic Acid
(4R)-2-[(2R)-5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic Acid
Catalogue No.:PA 01 55570
CAS :
NA
Molecular Formula : C16H19N3O5S
Molecular Weight : 365.4
(4S)-2-((1R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((1R)-2-((((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(4S)-2-((1R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((1R)-2-((((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 01 55580
CAS :
NA
Molecular Formula : C31H40N6O9S2
Molecular Weight : 704.81
Amoxicillin Related Compound G ((2S,5R,6R)-6-{(R)-2-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4 (1031570)
Amoxicillin Related Compound G ((2S,5R,6R)-6-{(R)-2-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4 (1031570)
Catalogue No.:PA USP1031570
CAS :
188112-75-6
Molecular Formula : NA
Molecular Weight : NA
Amoxicillin Related Compound J (Mixture of amoxicillin and amoxicillin related compound J (open rin (1031605)
Amoxicillin Related Compound J (Mixture of amoxicillin and amoxicillin related compound J (open rin (1031605)
Catalogue No.:PA USP1031605
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA
Amoxicillin Related Compound D ((4S)-2-{[(R)-2-amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}- (1031547)
Amoxicillin Related Compound D ((4S)-2-{[(R)-2-amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}- (1031547)
Catalogue No.:PA USP1031547
CAS :
1642559-71-4
Molecular Formula : NA
Molecular Weight : NA
Amoxicillin Related Compound A ((2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hep (1031514)
Amoxicillin Related Compound A ((2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hep (1031514)
Catalogue No.:PA USP1031514
CAS :
551-16-6
Molecular Formula : NA
Molecular Weight : NA
Amoxicillin Related Compound C ((4S)-2-[5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic Acid) (1031536)
Amoxicillin Related Compound C ((4S)-2-[5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic Acid) (1031536)
Catalogue No.:PA USP1031536
CAS :
2088961-37-7
Molecular Formula : NA
Molecular Weight : NA
A Mixture of 2-((2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine4-carboxylic acid isomers and 2-((2-amino-2-(4-hydroxyphenyl)acetamido)methyl)-5,5- dimethylthiazolidine-4-carboxylic Acid Isomers
A Mixture of 2-((2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine4-carboxylic acid isomers and 2-((2-amino-2-(4-hydroxyphenyl)acetamido)methyl)-5,5- dimethylthiazolidine-4-carboxylic Acid Isomers
Catalogue No.:PA 01 55630
CAS :
NA
Molecular Formula : C16H21N3O6S + C15H21N3O4S
Molecular Weight : 383.4
Benzyl (2S,6R)-6-(((E)-4-methoxy-4-oxobut-2-en-2-yl)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
Benzyl (2S,6R)-6-(((E)-4-methoxy-4-oxobut-2-en-2-yl)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
Catalogue No.:PAI 01 017030
CAS :
NA
Molecular Formula : C20H24N2O5S
Molecular Weight : 404.48
(2S,6R)-6-((R)-2-(((Benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,6R)-6-((R)-2-(((Benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PAI 01 017050
CAS :
NA
Molecular Formula : C32H31N3O9S
Molecular Weight : 633.67
benzyl (2S,6R)-6-((((2S,6R)-6-((R)-2-(((Benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl)oxy)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
benzyl (2S,6R)-6-((((2S,6R)-6-((R)-2-(((Benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl)oxy)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
Catalogue No.:PAI 01 017060
CAS :
NA
Molecular Formula : C47H47N5O12S2
Molecular Weight : 938.04
(2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 01 0551001
CAS :
NA
Molecular Formula : C31H40N6O9S2
Molecular Weight : 704.81
(4S,4'S,4"S)-2,2',2"-((7R,13R)-13-Amino-1-carboxy-7,13-bis(4-hydroxyphenyl)-3,6,9,12-tetraoxo-2,5,8,11-tetraazatridecane-1,4,10-triyl)tris(5,5-dimethylthiazolidine-4-carboxylic Acid)
(4S,4'S,4"S)-2,2',2"-((7R,13R)-13-Amino-1-carboxy-7,13-bis(4-hydroxyphenyl)-3,6,9,12-tetraoxo-2,5,8,11-tetraazatridecane-1,4,10-triyl)tris(5,5-dimethylthiazolidine-4-carboxylic Acid)
Catalogue No.:PA 01 0551002
CAS :
NA
Molecular Formula : C40H52N8O14S3
Molecular Weight : 965.08
(2R,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2S,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2R,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2S,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 01 0551003
CAS :
NA
Molecular Formula : C31H40N6O9S2
Molecular Weight : 704.81
(2R,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2R,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 01 0551004
CAS :
NA
Molecular Formula : C31H40N6O9S2
Molecular Weight : 704.81
(2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid
(2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid
Catalogue No.:PA 28 0951000
CAS :
185802-22-6
Molecular Formula : C17H23N3O6S
Molecular Weight : 397.45
(2S,5R,6R)-6-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide compound with 2,2,2-trifluoroacetic acid (1:1)
(2S,5R,6R)-6-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide compound with 2,2,2-trifluoroacetic acid (1:1)
Catalogue No.:PA 01 0551005
CAS :
NA
Molecular Formula : C18H20F3N3O8S
Molecular Weight : 495.43
(2S,5R,6R)-6-((R)-2-((R)-2-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
(2S,5R,6R)-6-((R)-2-((R)-2-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Catalogue No.:PA 01 0551007
CAS :
73590-06-4
Molecular Formula : C32H38N6O10S2
Molecular Weight : 730.81
(4S)-2-(1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid dihydrochloride
(4S)-2-(1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid dihydrochloride
Catalogue No.:PA 28 0951005
CAS :
NA
Molecular Formula : C17H25Cl2N3O6S
Molecular Weight : 470.36
(2S,5R,6R)-6-(2-(4-Hydroxyphenyl)-2-(((E)-1-phenylethylidene)amino)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-(2-(4-Hydroxyphenyl)-2-(((E)-1-phenylethylidene)amino)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PAI 01 017061
CAS :
NA
Molecular Formula : C24H25N3O5S
Molecular Weight : 467.54
(4S)-2-(1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-chloro-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(4S)-2-(1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-chloro-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PAI 01 017062
CAS :
NA
Molecular Formula : C16H20ClN3O5S
Molecular Weight : 401.86
(2S,5R,6R)-6-((R)-2-((R)-2-((tert-Butoxycarbonyl)amino)-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-((R)-2-((R)-2-((tert-Butoxycarbonyl)amino)-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PAI 01 055001
CAS :
2451892-09-2
Molecular Formula : C29H34N4O9S
Molecular Weight : 614.67
(2S,4S)-2-(5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2S,4S)-2-(5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 28 0951011
CAS :
NA
Molecular Formula : C16H19N3O5S
Molecular Weight : 365.4
(2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PA 28 0951013
CAS :
NA
Molecular Formula : C32H36N6O9S2
Molecular Weight : 712.79
(2S,5R,6R)-6-(2-(4-Hydroxyphenyl)-2-(2-((4-hydroxyphenyl)(nitroso)amino)acetamido)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-(2-(4-Hydroxyphenyl)-2-(2-((4-hydroxyphenyl)(nitroso)amino)acetamido)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PA 28 0951014
CAS :
NA
Molecular Formula : C24H25N5O8S
Molecular Weight : 543.55
(2R,5S,6S)-6-((S)-2-(((Z)-4-Ethoxy-4-oxobut-2-en-2-yl)amino)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2R,5S,6S)-6-((S)-2-(((Z)-4-Ethoxy-4-oxobut-2-en-2-yl)amino)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PAI 01 017063
CAS :
NA
Molecular Formula : C22H27N3O7S
Molecular Weight : 477.53
(2S,5R,6R)-6-((2S,5R,6R)-6-((R)-2-(((Z)-4-Ethoxy-4-oxobut-2-en-2-yl)amino)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-((2S,5R,6R)-6-((R)-2-(((Z)-4-Ethoxy-4-oxobut-2-en-2-yl)amino)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PAI 01 017064
CAS :
NA
Molecular Formula : C30H37N5O9S2
Molecular Weight : 675.77