2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol

Suberic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-48-6

ASTM D 5291, Set of standards Standards suitable for calibration for C,H,N of petroleum products: ASTM D5291grade Acetanilide, 99+% Atropine (sulphate monohydrate), 98.5% Benzoic acid, 99.6% Cystine, 99% Diphenyl, 99% EDTA, 99.0% Imidazol, 99+% N

2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,