BTEX (20 µg/mL) Back Catalog number: 98518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0377.18-10MG 9-Phenylcarbazole, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1150-62-5 Price on request 681365 Carbamazepine, 100mg Price on request 678219 1-(4-Isopropylphenyl)urea, 100mg Price on request