Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3755.3-KIT n-Nonylphenol ethoxylates Kit (including 1450, 1978 and 1979), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 57052 Tellurium (Te) Price on request 3238.22-K-IO 4,7,10,13,16,19-Docosahexaenoic acid (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6217-54-5 Price on request