Gun Shot Residue Back Catalog number: 53326 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P190502-1MG Papaverine-d3 Hydrochloride, 1mg Price on request 678220 1-(4-Isopropylphenyl)urea, 100 µg/ml, Acetonitrile, 1ml Price on request 0678.27-100UG Cholest-3,5-diene,neat,neat,100 µg, Price on request