BTEX (20 µg/mL) Back Catalog number: 98518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3327.10-100-CY Captafol Price on request 10271.17-K-ME Zopiclone-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 43200-80-2 Price on request 2652.12-50-IO 2,2',3,4,4',5,6-Heptabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-67-1 Price on request