Sodium Benzoate & Potassium Sorbate (0.2%) Back Catalog number: 96768 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2693.6-K-IO 3,4-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-15-5 Price on request 8624.44-10MG Nickel meso-tetraphenylporphyrine, , Solvent-, Unit , # of units-, 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