STD - CRQL Back Catalog number: 50288 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2104.30-100-IO Hydroxyhopanone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1981-81-3 Price on request 1583.30-600-DPX10 Betulin, 600µg/mL, Solvent-diisopropyl ether, Unit 1mL, # of units-10, Cas.no. 473-98-3 Price on request 1551.21-K-IOX5 n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 39756-37-1 Price on request