Methyl viologen-d8 dichloride (rings-d8)

Sulfur Standard 3 Compound Prod.no. CAS no. Purity Grav. conc.µg/ml Ethanethiol 0184,2 75-08-1 99 % 20 Ethylene sulfide 2139,2 420-12-2 98.7 % 20 Thiophene 0933,4 110-02-1 99.5 % 20Methyl disulfide 0195,2 624-92-0 99 % 20 2-Methylthiophene 0934,5

(R,R)-Chloramphenicol,neat,neat,250mg,

2,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml