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Certificate of Analysis

Acid orange II

Code: A 1371

(For eg. B 1615-0108)

Acid orange II - is a pH indicator and applicable in biological applications.

A 1371 (OTTO) Acid orange II Cas no 633-96-5 - used in the Wilson-Ezrin method for pituitary acidophils, as a counterstain following Heidenhain’s or Weigert’s hematoxylin on paraffin sections.