ASTM D-4815 Internal Standard Back Catalog number: 51072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11984.28-K-ME (±)-Methoxyverapamil hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request T015500 Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg Price on request 79226 4,4’-Methylenebis(cyclohexyl isocyanate) Price on request