Impurity Reference Standard - Products

Sulfadoxine

CAT No: CL-SFDX-01 CAS No: 2447-57-6 Mol Wt: 310.3 Mol F: C12H14N4O4S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-N-(5,6-dimethoxypyrimidin-4-yl)benzenesulfonamide

Sulfadoxine Impurity B

CAT No: CL-SFDX-02 CAS No: 5018-38-2 Mol Wt: 179 Mol F: C5H4Cl2N2O Inv Status: Custom Synthesis

Chemical Name: 4,6-Dichloro-5-methoxypyrimidine

Sulfadoxine Impurity C

CAT No: CL-SFDX-03 CAS No: 5018-23-5 Mol Wt: 314.7 Mol F: C11H11ClN4O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-N-(6-chloro-5-methoxypyrimidin-4-yl)benzenesulfonamide

N4-Acetyl sulfadoxine

CAT No: CL-SFDX-04 CAS No: 5018-54-2 Mol Wt: 352.4 Mol F: C14H16N4O5S Inv Status: Custom Synthesis

Chemical Name: N-(4-(N-(5,6-dimethoxypyrimidin-4-yl)sulfamoyl)phenyl)acetamide

O-Desmethyl Sulfadoxine

CAT No: CL-SFDX-05 CAS No: 296.3 : 90.0 Mol Wt: NA Mol F: C11H12N4O4S : C2H2O4 Inv Status: Custom Synthesis

Chemical Name: 4-Amino-N-(6-hydroxy-5-methoxypyrimidin-4-yl)benzenesulfonamide oxalate

Sulfadoxine Impurity 2

CAT No: CL-SFDX-06 CAS No: 5018-45-1 Mol Wt: 155.2 Mol F: C6H9N3O2 Inv Status: Custom Synthesis

Chemical Name: 4-Amino-5,6-dimethoxypyrimidine

Sulfadoxine Impurity B

CAT No: CL-SFDX-07 CAS No: 555-25-9 Mol Wt: 352.37 Mol F: C14H16N4O5S Inv Status: Custom Synthesis

Chemical Name: N-(4-(N-(2,6-Dimethoxypyrimidin-4-yl)sulfamoyl)phenyl)acetamide

Sulfadoxine Impurity 6

CAT No: CL-SFDX-08 CAS No: NA Mol Wt: 277.4 Mol F: C16H27N3O Inv Status: Custom Synthesis

Chemical Name: N-(2-Amino-2-butylhexyl)-N-phenylnitrous amide

Sulfadoxine Impurity 5

CAT No: CL-SFDX-09 CAS No: 56752-40-0 Mol Wt: 176.2 Mol F: C7H12O5 Inv Status: Custom Synthesis

Chemical Name: 1-Ethyl 3-methyl 2-methoxymalonate

Sulfadoxine Impurity 8

CAT No: CL-SFDX-10 CAS No: 2247-57-6 Mol Wt: 271.2 Mol F: C14H6FNO4 Inv Status: Custom Synthesis

Chemical Name: 6-Fluoro-1-nitroanthracene-9,10-dione