QC Standard 5 Back Catalog number: 52088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0952.10-K-IO 2,3-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4923-91-5 Price on request 2312.12-100-AN Isoproturon Price on request 11290.18-100-AN Triphenyl-d15-tin hydroxide,100 µg/mL,acetonitrile,1mL, Price on request