Propham Back Catalog number: 70819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 22113 Purgeable Internal Standard Price on request 9138.7-K-ME Mesalazine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 89-57-6 Price on request 2545.14-K-ME (+/-)Atenolol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7 Price on request