Supplier Page from Aladdin Scientific Corporation for δ-HCH solution
1,1',3,3,3',3'-4,4',5,5'-Di-benzo-2,2'-indotricarbocyanine perchlorate from Aladdin Scientific Corporation
2-(3-Chloropropoxy)tetrahydro-2H-pyran from Aladdin Scientific Corporation
4-Bromo-3-nitro-1H-pyrazole-5-carboxylic acid from Aladdin Scientific Corporation
N,N'-Bis[2-(2,6-dichloro-phenyl)-ethyl]-3,4,9,10-perylene dicarboximide from Aladdin Scientific Corporation