Methapyrilene HCl Back Catalog number: 79334 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50783 Anions Mix Price on request 96768 Sodium Benzoate & Potassium Sorbate (0.2%) Price on request 93383 OCP Mix, 10µg/ml in Isooctane, 1ml Price on request