525 Internal Standard Back Catalog number: 94212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9419.19-K-ME Warfarin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81-81-2 Price on request 92801 1-Chloro-2-fluorobenzene Price on request 680032 1,3-Bis(4-nitrophenyl)urea, 50mg Price on request