Discontinued Back Catalog number: 57145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98745 UCMR4 - Method 525.3 - Pesticides Mix 1 Price on request 8629.31-10UG 3ß,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126254-83-9 Price on request 8359.12-100-IO 3,3'-Difluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 396-64-5 Price on request