Surrogate Standard Back Catalog number: 90397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91806 Semi-Volatile Mix #1 Price on request 0860.29-100-IO C29 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10 alpha(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205176-21-2 / 81943-51-3 Price on request 72271 (+/-)-alpha-Tocopherol Price on request