Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4444-2.5 Mixed Alcohols, Butanol/Methanol (63:37) Price on request 30096 EPA Method 504.1 Analytes Price on request 673151 D9-Chlormequat Chloride, 5mg Price on request