Impurity Reference Standard - Products

Cefdinir (E)-Isomer (USP)

CAT No: CL-CDN-01 CAS No: 178601-88-2 Mol Wt: 395.4 Mol F: C14H13N5O5S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-[(E)-2-(2-Aminothiazol-4-yl-)-2-(hydroxyimino)acetamido]-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ;

Cefdinir 3-Methyl Impurity (USP)

CAT No: CL-CDN-02 CAS No: 71091-93-5 Mol Wt: 383.4 Mol F: C13H13N5O5S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefdinir

CAT No: CL-CDN-03 CAS No: 91832-40-5 Mol Wt: 395.4 Mol F: C14H13N5O5S2 Inv Status: In Stock

Chemical Name: (6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefdinir Isoxazole Analog

CAT No: CL-CDN-04 CAS No: 1356842-10-8 Mol Wt: 337.3 Mol F: C14H13N4O7S Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ;

Cefdinir Lactone (USP)

CAT No: CL-CDN-05 CAS No: 946573-41-7 Mol Wt: 395.4 Mol F: C14H13N5O5S2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-{(3RS,5aR,6R)-3-methyl-1,7-dioxo-1,3,4,5a,6,7- hexahydroazeto [2,1-b]furo[3,4-d][1,3]thiazin-6-yl}acetamide ;

Cefdinir Thiazolylacetyl Glycine Oxime Acetal Impurity (USP)

CAT No: CL-CDN-06 CAS No: 178422-40-7 Mol Wt: 246.2 Mol F: C7H10N4O4S Inv Status: Custom Synthesis

Chemical Name: (Z)-2-(2-Aminothiazol-4-yl)-N-(2,2-dihydroxyethyl)-2-(hydroxyimino) acetamide ;

Cefdinir Thiazolylacetyl Glycine Oxime Impurity (USP)

CAT No: CL-CDN-07 CAS No: 178949-03-6 Mol Wt: 244.2 Mol F: C7H8N4O4S Inv Status: Custom Synthesis

Chemical Name: N-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetyl]glycine

Cefdinir Related Compound A

CAT No: CL-CDN-08 CAS No: NA Mol Wt: 412.4 : 23.0 Mol F: C14H14N5O6S2 : Na Inv Status: Custom Synthesis

Chemical Name: 2-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic acid sodium salt ;

Cefdinir Related Compound B

CAT No: CL-CDN-09 CAS No: 79350-10-0 Mol Wt: 366.4 Mol F: C14H14N4O4S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-[2-(2-Amino-4-thiazolyl)acetamido]-8-oxo-3-vinyl-5-thia-1-azabicyclo[4,2,0]oct-2-ene-2-carboxylic acid ;

Cefdinir Decarboxy Open Ring Lactone Impurity

CAT No: CL-CDN-10 CAS No: 178949-04-7 Mol Wt: 369.4 Mol F: C13H15N5O4S2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-{[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]methyl}acetamide ;

Cefdinir 7-Epimer

CAT No: CL-CDN-11 CAS No: 178601-89-3 Mol Wt: 395.4 Mol F: C14H13N5O5S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7S)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefdinir Sulfoxide

CAT No: CL-CDN-12 CAS No: 934986-48-8 Mol Wt: 411.4 Mol F: C14H13N5O6S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

Cefdinir Glyoxalic Analog

CAT No: CL-CDN-13 CAS No: 79350-14-4 Mol Wt: 380.4 Mol F: C14H12N4O5S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-(2-(2-Aminothiazol-4-yl)-2-oxoacetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefdinir Thiazine Analog

CAT No: CL-CDN-14 CAS No: 178422-39-4 Mol Wt: 413.4 Mol F: C14H15N5O6S2 Inv Status: Custom Synthesis

Chemical Name: (R,Z)-2-((R)-((Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)(carboxy)methyl)-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

E-Cefdinir (USP)

CAT No: CL-CDN-15 CAS No: 178601-88-2 Mol Wt: 395.4 Mol F: C14H13N5O5S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-[(E)-2-(2-Aminothiazol-4-yl-)-2-(hydroxyimino)acetamido]-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

N-Acetyl Cefdinir

CAT No: CL-CDN-16 CAS No: NA Mol Wt: 437.4 Mol F: C16H15N5O6S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-((Z)-2-(2-Acetamidothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

O-Acetyl Cefdinir

CAT No: CL-CDN-17 CAS No: 127770-93-8 Mol Wt: 437.4 Mol F: C16H15N5O6S2 Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-((Z)-2-(Acetoxyimino)-2-(2-aminothiazol-4-yl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Trytil Cefdinir CFD-I IS

CAT No: CL-CDN-18 CAS No: NA Mol Wt: 637.7 Mol F: C33H27N5O5S2 Inv Status: Custom Synthesis

Chemical Name: (Z)-7-(2-(2-Aminothiazol-4-yl)-2-((trityloxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

7S Cefdinir Impurity

CAT No: CL-CDN-19 CAS No: NA Mol Wt: 346.4 Mol F: C17H18N2O4S Inv Status: Custom Synthesis

Chemical Name: 4-Methoxybenzyl (6R,7S)-7-amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Type:Impurity Reference Standard

API NAME:Cefdinir

Total Products: 19

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