Metals Mix 5C Back Catalog number: 50414 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H975710 5-Hydroxy L-Tryptophan, 250mg Price on request 71395 4-Amino-2,6-dinitrotoluene Price on request NK-IS-J4 Internal Standard Solution, 1.2ml, nonane Price on request