GC/MS Calibration Standard Back Catalog number: 43026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91986 Surrogate Mix Price on request 12082.9-100-ME cis-Pinic acid,100 µg/mL,MeOH,1mL, Price on request LGCFOR0004.03 O-Methylcodeine, 10mg Price on request