525 Spike Mix Back Catalog number: 94231 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2371.9-K-ME Syringaldehyde, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 134-96-3 Price on request 1706.9-K-AN DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 66148-19-4 Price on request 72850 Alachlor ESA, 1000µg/ml in MeOH, 1ml Price on request