RCRA Perchlorate Back Catalog number: 55143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9353.10-100MG (S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6 Price on request 8372.7-25MG 2,3,5,6-Tetrachloroanisole, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. Price on request D-5307-QUANT Quantitative Paraffins Standard, 6,25% w/w, 2ml Price on request