Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12124.1-K-ME Iodoform,1000 µg/mL,MeOH,1mL, Price on request 31026 Bentazon methyl derivative Price on request 34591 1,3-Diisopropylbenzene Price on request