CAS number of some unwanted compounds....

Azo Dyes
1.Diphenyl-4-ylamine 4-Aminodiphenyl Xenylamine 92-67-1
2.Benzidine 92-87-5
3.4-Chloro -o-toluidine 95-692
4.2-Naphthylamine 91-59-8
5.5-Nitro-o-toluidine 99-55-8
6.p-Cresidine 120-71-8
7.P-AminoAzobenzene 60-09-3

Pathalates

1.Di-iso-nonylpthalate, DINP 28553-12-0
2.Dibutylpthalate,DBP 84-74-2
3.Butylbenzylphthalate, BBP 85-68-7
4.Di-n-Octylphthalate, DNOP 117-84-0