TFA; Trifluoroacetic acid, 99,9%, 250g Back Catalog number: 2121-3-02:250G Availability: In the manufacturer's stock Price on request - + Recommended 676306 Penicillin V potassium salt, 100mg Price on request 692993 13C6-Amoxicillin, 100µg/ml in Acetonitrile, 1ml Price on request 92551 Methylamine Price on request