BTEX Standard Back Catalog number: 92975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9113 Hexachlorobenzene Price on request 12159.41-12.4-MX Nodularin-R,12.4 µmol/L,water:MeOH=1:1,1mL, Price on request 2050.15-100MG Tri-n-pentyltin chloride,neat,neat,100mg, Price on request