CWA BTEX Back Catalog number: 38396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54166 UV 254 Absorbance / DOC Price on request 79275 2-Methylthiophene Price on request 8533-100G Wheat Flour, Ochratoxin A, 2. 7+/- 1.0µg/kg, Solvent-, Unit 100g, # of units-1, Cas.no. Price on request