Cefixime > Impurities > 14

Structure Compound Pricing
Ethyl 2-((1,3-Dioxoisoindolin-2-yl)oxy)acetate
CS-T-92542 > Impurities

Molecular Formula : C12H11NO5   Molecular Weight: 249.22   CAS Number: 5251-81-0  
Parent API : Cefixime
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Ethyl 2-(2-Formamidothiazol-4-yl)-2-oxoacetate
CS-T-92194 > Impurities

Molecular Formula : C8H8N2O4S   Molecular Weight: 228.23   CAS Number: 64987-03-7
Synonyms : 2-(Formylamino)-a-oxo-4-thiazoleacetic Acid Ethyl Ester
Parent API : Cefixime
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Cefixime EP Impurity A
CS-T-50426 > Impurities

Molecular Formula : C16H17N5O8S2   Molecular Weight: 471.46   CAS Number: 1335475-08-5
Synonyms : a-[[(Z)-2-(2-amino-4-thiazolyl)-2]-2-[(2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-y-2-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-2-((2R)-5-methyl-7-oxo-2,
Parent API : Cefixime
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Cefixime EP Impurity F
CS-O-15247 > Impurities

Molecular Formula : C18H19N5O7S2   Molecular Weight: 481.5   CAS Number: 79368-95-9
Synonyms : Cefixime Ethyl Ester Sodium Salt;(6R,7R)-7-[[(Z)-2-(2-aminothiazol-4-yl)-2-[(2-ethoxy-2- oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid.
Parent API : Cefixime
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Cefixime Acid, Thiazine Isomer Impurity, Disodium Salt
CS-O-15248 > Impurities

Molecular Formula : C16H14N5Na3O8S2   Molecular Weight: 537.41   CAS Number: 108615-31-2 (Free Acid)
Synonyms : α-[[2-(2-Amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-4-carboxy-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-2-acetic Acid Sodium Salt; α-[[(2-Amino-4-thiazolyl)[(carboxymethoxy)imino]acetyl]amino]-4-carboxy-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-2-acetic Acid Sodium Salt
Parent API : Cefixime
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Cefixime Sulfoxide
CS-P-08167 > Impurities

Molecular Formula : C16H15N5O8S2   Molecular Weight: 469.45   CAS Number: NA
Synonyms : (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide
Parent API : Cefixime
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Cefixime EP Impurity A (Mixture of Diastereomers)
CS-O-15245 > Impurities

Molecular Formula : C16H17N5O8S2   Molecular Weight: 471.47   CAS Number: 1614255-90-1
Synonyms : 2-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-2-((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid.
Parent API : Cefixime
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Cefixime EP Impurity B
CS-O-15246 > Impurities

Molecular Formula : C15H17N5O6S2   Molecular Weight: 427.46   CAS Number: 1335475-19-8 (no stereochem)
Synonyms : Cefixime EP Impurity B Acetic Acid Salt;2-[[[(Z)-1-(2-aminothiazol-4-yl)-2-[[[(2R,5RS)-5-methyl-7-oxo-1,2,5,7- tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]methyl]amino]-2-oxoethylidene]amino]oxy]acetic acid.
Parent API : Cefixime
USD 2,888.00 / 10mg
USD 4,332.00 / 25mg
USD 6,498.00 / 50mg
Cefixime Impurity 1
CS-P-07592 > Impurities

Molecular Formula : C8H9N3O5S   Molecular Weight: 259.24   CAS Number: 80544-17-8
Synonyms : 2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetic acid
Parent API : Cefixime
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3-Desethenyl-3-methyl Cefixime
CS-T-15807 > Impurities

Molecular Formula : C15H15N5O7S2   Molecular Weight: 441.44   CAS Number: 72701-01-0
Synonyms : (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2]-3-methyl-8-oxo-5-thia-1-az2-ene-2-carboxylic Acid, Cefixime EP Impurity E;7-(2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Parent API : Cefixime
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Cefixime EP Impurity C
CS-T-10761 > Impurities

Molecular Formula : C16H15N5O7S2   Molecular Weight: 453.45   CAS Number: 108691-83-4
Synonyms : (6R,7S)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2]-3-ethenyl-8-oxo-5-thia-1-az2-ene-2-carboxylic Acid;7-epi-Cefixime
Parent API : Cefixime
USD 5,320.00 / 10mg
USD 7,980.00 / 25mg
USD 11,970.00 / 50mg
Cefixime Methyl Ester
CS-T-10763 > Impurities

Molecular Weight: 467.48   CAS Number: 88621-01-6
Synonyms : (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(2-methoxy-2-oxoethoxy)iminia-1-az2-ene-2-carboxylic Acid
Parent API : Cefixime
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Cefixime EP Impurity D
CS-T-10762 > Impurities

Molecular Formula : C16H15N5O7S2   Molecular Weight: 453.45   CAS Number: 97164-56-2
Synonyms : (6R,7R)-7-[[(2E)-2-(2-Amino-4-thiazolyl)-2]-3-ethenyl-8-oxo-5-thia-1-az2-ene-2-carboxylic Acid, (E)-Cefixime
Parent API : Cefixime
USD 6,080.00 / 10mg
USD 9,120.00 / 25mg
USD 13,680.00 / 50mg
Cefixime tert-Butyl Ester
CS-EO-00121 > Impurities

Molecular Formula : C20H23N5O7S2   Molecular Weight: 509.56   CAS Number: 79368-92-6
Synonyms : (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-(tert-butoxy)-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[[2-(1,1-dimethylethoxy)-2-oxoethoxy]imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Parent API : Cefixime
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