Sulprofos, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 675667 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50223 ASTM D-3230-89 Price on request 9967.29-100-IO 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. Price on request 3244.22-K-IO 13-trans-Docosenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-33-2 Price on request