n-Hexane-d14 Back Catalog number: 72239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0974.29-10-IO d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Isooctane, 1ml Price on request 9269.22-100-MEX5 Vitamin A-d5 acetate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request 10867.17-100-ME Zaleplon-?d5 (N-?ethyl-?d5),100 µg/mL,MeOH,1mL Price on request