EPA Method 1618 Organochlorine Mix C

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7

Ammonia as N

4-Ethylphenol-d9-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no.