525 Surrogate Standard Back Catalog number: 95270 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0976.29-10-IO d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Osooctane, 1ml Price on request K204950 4-Keto Retinal, 5mg Price on request AC-AQ01-030 Aqueous ethanol control EtOH AQ (0.1g/L), 10 x 3.0ml Price on request