Impurity Reference Standard - Products

Nifedipine

CAT No: CL-NIF-01 CAS No: 21829-25-4 Mol Wt: 346.3 Mol F: C17H18N2O6 Inv Status: Custom Synthesis

Chemical Name: 3,5-Dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Nifedipine EP Impurity A

CAT No: CL-NIF-02 CAS No: 67035-22-7 Mol Wt: 344.3 Mol F: C17H16N2O6 Inv Status: In Stock

Chemical Name: Dimethyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate

Nifedipine EP Impurity B

CAT No: CL-NIF-03 CAS No: 50428-14-3 Mol Wt: 328.3 Mol F: C17H16N2O5 Inv Status: Custom Synthesis

Chemical Name: Dimethyl 4-(2-nitrosophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate ;

Nifedipine EP Impurity C

CAT No: CL-NIF-04 CAS No: 39562-27-1 Mol Wt: 249.2 Mol F: C12H11NO5 Inv Status: Custom Synthesis

Chemical Name: Methyl 2-(2-nitrobenzylidene)-3-oxobutanoate

Nifedipine EP Impurity D

CAT No: CL-NIF-05 CAS No: 14205-39-1 Mol Wt: 115.1 Mol F: C5H9NO2 Inv Status: In Stock

Chemical Name: Methyl 3-aminobut-2-enoate

Nifedipine Phenylpyridine Analog

CAT No: CL-NIF-06 CAS No: 77234-00-5 Mol Wt: 299.3 Mol F: C17H17NO4 Inv Status: In Stock

Chemical Name: Dimethyl 2,6-dimethyl-4-phenylpyridine-3,5-dicarboxylate

Nifedipine Monoamide

CAT No: CL-NIF-07 CAS No: 114709-68-1 Mol Wt: 331.3 Mol F: C16H17N3O5 Inv Status: Custom Synthesis

Chemical Name: 5-(Aminocarbonyl)-1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylic Acid Methyl Ester

Pyrimidine Impurity

CAT No: CL-NIF-08 CAS No: 80742-11-6 Mol Wt: 398.4 Mol F: C19H18N4O6 Inv Status: Custom Synthesis

Chemical Name: (2R,4R)-rel-1,2,3,4-Tetrahydro-6-methyl-2,4-bis(2-nitrophenyl)-5-pyrimidinecarboxylic Acid Methyl Ester

Nifedipine Des Nitro Impurity/Amlodipine Impurity 20

CAT No: CL-NIF-09 CAS No: 70677-78-0 Mol Wt: 301.3 Mol F: C17H19NO4 Inv Status: In Stock

Chemical Name: Dimethyl 2,6-dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

Nifedipine Impurity 1

CAT No: CL-NIF-10 CAS No: 53055-15-5 Mol Wt: 360.4 Mol F: C18H20N2O6 Inv Status: Custom Synthesis

Chemical Name: 3-Ethyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Nifedipine Impurity 2

CAT No: CL-NIF-11 CAS No: 39562-82-8 Mol Wt: 374.4 Mol F: C19H22N2O6 Inv Status: Custom Synthesis

Chemical Name: 3-Isopropyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Nifedipine Impurity 3

CAT No: CL-NIF-12 CAS No: 113578-26-0 Mol Wt: 388.4 Mol F: C20H24N2O6 Inv Status: Custom Synthesis

Chemical Name: Methyl isobutyl 1, 4-dihydro2, 6-dimethyl-4-(3-nitrophenyl) pyridine 3, 5-dicarboxylate

Nifedipine Impurity 4

CAT No: CL-NIF-13 CAS No: 160233-03-4 Mol Wt: 592.7 Mol F: C27H36N4O9S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl ((2S,3R)-4-((N-(cyclopentylmethyl)-2,4-dinitrophenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate

Nifedipine Impurity 5

CAT No: CL-NIF-14 CAS No: 1332581-15-3 Mol Wt: 507.6 Mol F: C24H33N3O7S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl ((2S,3R)-3-hydroxy-4-((4-nitro-N-propylphenyl)sulfonamido)-1-phenylbutan-2-yl)carbamate

Nifedipine Impurity 6

CAT No: CL-NIF-15 CAS No: NA Mol Wt: 521.6 Mol F: C25H35N3O7S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl ((2S,3R)-4-((N-butyl-4-nitrophenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate

Nifedipine Impurity 7

CAT No: CL-NIF-16 CAS No: 101072-61-1 Mol Wt: 235.2 Mol F: C11H9NO5 Inv Status: Custom Synthesis

Chemical Name: 2-(3-Nitrobenzylidene)-3-oxobutanoic acid

Nifedipine D6

CAT No: CL-NIF-17 CAS No: 1188266-14-9 Mol Wt: 352.4 Mol F: C17H12D6N2O6 Inv Status: Custom Synthesis

Chemical Name: Bis(methyl-d3) 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Type:Impurity Reference Standard

API NAME:Nifedipine

Total Products: 17

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