ENDRIN ALDEHYDE (13C12, 99%) 100 UG/ML IN NONANE…

ENDRIN KETONE (13C12, 99%) 100 UG/ML IN NONANE…

ENDRIN KETONE (13C12, 99%) > 95% CHEMICAL PURITY…

3-HYDROXYPHENANTHRENE (13C6, 98%) 50 UG/ML IN TOLU…

6-HYDROXYCHRYSENE (MIX OF RING LABELING) (13C6, 98%…

4,5-DIBROMOCATECHOL (13C6, 99%)…

2,4,5-TRICHLOROPHENOL (13C6, 99%) 100 UG/ML IN METH…

RICININE 100 UG/ML IN ACETONITRILE (RING-13C5, 99…

DESISOPROPYLATRAZINE (RING-13C3, 99%) 100 UG/ML IN…

PERFLUOROOCTANESULFONATE (PFOS), SODIUM SALT (13C8,…