STD - CRQL Back Catalog number: 50288 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40416 Benzo(a)anthracene, 100µg/ml in Acetonitrile, 1ml Price on request 2121-3-02:250G TFA; Trifluoroacetic acid, 99,9%, 250g Price on request 71197 Dicrotophos Price on request