525.2 Internal & Surrogate Standard Back Catalog number: 92386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97132 Resorcinol Price on request 70449 5-Nitro-o-toluidine Price on request 680444 gamma-HCH, 100 µg/ml, Methanol, 1ml Price on request