2-HYDROXYNAPHTHALENE (2-NAPHTHOL) (13C6, 99%) 50 UG…

LEUCOMALACHITE GREEN (PHENYL-13C6, 99%) 100 UG/ML …

4-NITROPHENOL (13C6, 99%) 1 MG/ML IN METHANOL…

RESORCINOL (13C6, 99%)…

ALPHA-HEXABROMOCYCLODODECANE (13C12, 99%) 50 UG/ML…

BETA-HEXABROMOCYCLODODECANE (13C12, 99%) 50 UG/ML …

GAMMA-HEXABROMOCYCLODODECANE (13C12, 99%) 50 UG/ML…

PARLAR 50 (13C10, 99%) 10 UG/ML IN NONANE…

PARLAR 62 (13C10, 99%) 10 UG/ML IN NONANE…

DL-ESTRONE (95% CHEMICAL PURITY) (13,14,15,16,17,18…