ASTM D-2887 Column Test Standard Back Catalog number: 98740 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9198.21-100-ME Pregnenolone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 145-13-1 Price on request XA12100010ME DEET D7 (methyl D3 benzeneamide D4), 100µg/ml in MeOH, 1ml Price on request 674045 Celiprolol, 10.0 µg/ml, Acetonitrile, 10ml Price on request