EPA Method 633.1 Analytes

alpha alpha alpha (20R,24RS)-24-Ethylcholestane (82% in mixture with alpha alpha alpha (20S,24RS)-24-Ethylcholestane), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Tricyclohexyltin chloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 3091-32-5

Salicylaldehyde, 1ml