Color Back Catalog number: 50820 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11415.11-K-ME Levamisole hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 11375.11-K-IO 1-Naphthaldehyde,1000 µg/mL,isooctane,1mL, Price on request 96077 MPP+ iodide Price on request