Pills with imprint C 1

The imprint C 1 is used by 2 distinct products in our FDA label database, covering 2 different medicine(s). An imprint alone does not always identify a pill — makers reuse short codes — so always compare the colour, shape and size as well.

ImprintMedicine & strengthColourShapeSizeLabeler
C 1Clonazepam 1 mgBlueRound8 mmRemedyrepack Inc.
C 1Captopril 12.5 mgWhiteOval8 mm

Source: FDA label data via DailyMed/openFDA, export of October 29, 2026.