LC Caffeine Standards Kit, 6 x 10ml Back Catalog number: LCS-4045 Availability: In the manufacturer's stock Price on request - + Recommended 8495.20 1-Methyl-2-phenylbenzimidazole, N-glucuronide, , Solvent-, Unit , # of units-, Cas.no. Price on request 9490.20-1G 2-Ethylhexyldiphenylphosphate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1241-94-7 Price on request 83561 Valeraldehyde-DNPH Price on request