Impurity Reference Standard - Products

Carbazochrome

CAT No: CL-CRZ-01 CAS No: 69-81-8 Mol Wt: 236.2 Mol F: C10H12N4O3 Inv Status: Custom Synthesis

Chemical Name: 2-(3-Hydroxy-1-methyl-6-oxo-1,2,3,6-tetrahydro-5H-indol-5-ylidene)hydrazine-1-carboxamide

Carbazochrome Impurity 1

CAT No: CL-CRZ-02 CAS No: 2666934-59-2 Mol Wt: 300.3 Mol F: C10H12N4O5S Inv Status: Custom Synthesis

Chemical Name: 5-(2-Carbamoylhydrazinyl)-1-methyl-6-oxo-2,6-dihydro-1H-indole-2-sulfonic acid

Carbazochrome Impurity 2

CAT No: CL-CRZ-03 CAS No: NA Mol Wt: 364.3 Mol F: C10H12N4O7S2 Inv Status: Custom Synthesis

Chemical Name: (Z)-5-(2-Carbamoylhydrazono)-1-methyl-6-oxo-2-sulfino-1,4,5,6-tetrahydro-3aH-indole-3a-sulfonic acid

Carbazochrome Impurity 3

CAT No: CL-CRZ-04 CAS No: NA Mol Wt: 382.4 Mol F: C10H14N4O8S2 Inv Status: Custom Synthesis

Chemical Name: (2S,Z)-5-(2-Carbamoylhydrazono)-1-methyl-6-oxo-1,2,3,4,5,6-hexahydro-3aH-indole-2,3a-disulfonic acid

Carbazochrome Sodium Sulfonate

CAT No: CL-CRZ-05 CAS No: 51460-26-5 Mol Wt: 300.3 : 23.0 Mol F: C10H12N4O5S : Na Inv Status: Custom Synthesis

Chemical Name: (Z)-5-(2-carbamoylhydrazono)-1-methyl-6-oxo-2,3,5,6-tetrahydro-1H-indole-2-sulfonic acid, sodium salt