Search results for Diphenhydramine Citrate Chemical Reference Some information contained on this search result page may not be up-to-date. Please refer to the individual product pages for latest product details. Showing 1 to 1 of 1 found results for "diphenhydramine citrate chemical reference" Display 5 results per page 10 results per page 20 results per page 50 results per page 100 results per page 200 results per page Diphenhydramine Citrate, Chemical Reference (#MBS539947) Diphenhydramine Citrate (USP grade powder) MBS539947 200 mg $990 5x200 mg $4275