TPH Internal Standard Back Catalog number: 92636 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679111 Disulfoton-sulfoxide, 10.0 µg/ml, Cyclohexane, 1 Price on request 9854.16 Flunitrazepam-d3, , Solvent-, Unit , # of units-, Cas.no. 219533-64-9 Price on request 1489.22-10UG Pyrenyl-1-O-glucuronide, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 15417-05-2 Price on request