Tetramethylurea Back Catalog number: 71406 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673469 Acephate, 100 µg/ml, Ethyl acetate, 5ml Price on request 8537.16-K-IO n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17851-53-5 Price on request 8481.22-500MG Diltiazem hydrochloride, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 33286-22-5 Price on request