Formaldehyde-DNPH Level 4 (2ug/mL) Back Catalog number: 98861 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96032 Internal Standard - Surrogate Mix Price on request 10030.3-K-ME 2-Chloro-1,3-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 497-04-1 Price on request S-4214-40-PEX10 ISO 9377-2 Stearyl Stearate Solution for Comparison Unit: 1mL for direct GC-comparison Stearyl stearate test solution, 2mg/mL (S-4134) 0.5mL Extraction agent (pentane) 24.5mL Price on request