Sudan 1, certified, 0.25g Back Catalog number: C16986101 Availability: In the manufacturer's stock Price on request - + Recommended S-4172-10MLX5 Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene Price on request D292365 Desmethylnarcotine, 1mg Price on request 79889 2,6-Diaminotoluene Price on request