Caffeine-13C3, 5mg Back Catalog number: C080101 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 10009R CLP Semi-Volatile Internal Standard Price on request 673787 Diflufenican, 100 µg/ml, Ethyl acetate, 1ml Price on request 79556 Octanoic acid Price on request