Piperazine Back Catalog number: 9350.4-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 3620.12-K-IO 3,3'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1800-48-2 Price on request 680378 Caffeic acid, 100mg Price on request 79243 2,4’-Dinitrodiphenylamine Price on request