Regulated Semi-Volatile Standard Back Catalog number: 93372 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10139.18-10MG 17ß-Estradiol-2,4,16,16-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 66789-03-5 Price on request 0395.26-K-IO 2-Methylpentacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-87-8 Price on request 3476.21-10MG Permethrin,neat,neat,10mg, Price on request