Caffeine, 100µg/ml in MeOH, 1ml Back Catalog number: 97536 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 97347 2,6-Dimethylaniline Price on request MT4CPME Tris(4-chlorophenyl)methanol-[13C19], 1.2ml x 50ug/ml, nonane Price on request 70184 Fluorene Price on request