CLP Tuning Standard Back Catalog number: 52156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681491 13C3-Caffeine, 100 µg/ml, Methanol, 1ml Price on request 11331.18.100MG 4-sec-Butyl-2,6-di-tert-butylphenol,neat,neat,100mg, Price on request 3329.12-100-AN Carbaryl, 100μg/mL in Acetonitrile, 1ml Price on request