Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9524.14-10MG Anthraquinone-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 10439-39-1 Price on request 673484 Boscalid (Nicob), 10.0µg/ml, Ethyl acetate, 10ml Price on request 54158 Potassium (K) Price on request