Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBDE-MXFS Mass-Labelled PBDE Surrogate Stock, 1.2ml, toluene Price on request 73262 Triamterene Price on request MHBCD-MXA Mixture of 13C-labelled α-, β-, and γ-HBCD, 1.2ml , toluene Price on request