BTEX Standard Back Catalog number: 92712 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32091 Carbon tetrachloride Price on request 3844.6-K-IP Hydroquinone, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 123-31-9 Price on request 10343.20-10MG Amitriptyline-d3 hydrochloride (N-methyl-d3) Price on request