Internal Reference Standard Back Catalog number: 52187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8587.6-10MG Nicotinamide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 98-92-0 Price on request 11811.18-K-ME Vortioxetine HCl, 1000µg base/mL in MeOH with 5% 1M HCl, 1mL Price on request 11956.21-100MG Lisinopril dihydrate,neat,neat,10mg, Price on request