Internal Standard Back Catalog number: 92467 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2542.14-100MG 5-Chloro-2-(methylamino)benzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1022-13-5 Price on request 59520 ICP/AA Mix Price on request 93626 Urea Price on request