624B Internal / Surrogate Standard Back Catalog number: 98628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M3PFBA Perfluoro-n-[2,3,4-13C3]butanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 2401.9-K-IPX5 2,3,5-Trimethylphenol-d11, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 362049-46-5 Price on request 677879 Nonylphenol (technical), 100 µg/ml, Acetone, 1ml Price on request