Formaldehyde (0.3 ppm) Back Catalog number: 98553 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GLC-744 GLC Reference standard 744, 100mg Price on request 2917.14-100-IO Alachlor-d13 (2,6-diethylphenyl-d13), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1015856-63-9 Price on request 683877 D4-2,4,5-T, 100 µg/ml, Acetone, 1ml Price on request