624B Internal / Surrogate Standard Back Catalog number: 98628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10272.6-K-IO 2,3-Dimethyl-d6-pyrazine Price on request 3897.10-100-ME 2-Isobutylthiazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 18640-24-9 Price on request 70919 5-Chloro-2-methylaniline Price on request