Surrogate Standard Back Catalog number: 91625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1585.30-2MG Friedelan-3ß-ol, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 16844-71-6 Price on request 0263.20-10MG Benzo[b]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 205-99-2 Price on request 95369 Formaldehyde Price on request