Methapyrilene HCl Back Catalog number: 79334 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92894 WS Disinfection By-Products - Cal Check 1 Price on request 675299 Tetrachloroethene, 100 µg/ml, Methanol, 5ml Price on request 57316 Sulfur (S) Price on request