1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 71907 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2728.3-100MG N,N-Dimethylguanidine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6145-42-2 Price on request 72412 beta-D-Lactose Price on request 72326 Squalene Price on request