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Certificate of Analysis

1,2-Naphthoquinone-4-sulphonic acid sodium salt, 99%

Code: N 1295

(For eg. B 1615-0108)

N 1295 (OTTO) 1,2-Naphthoquinone-4-sulphonic acid sodium salt, 99% Cas 521-24-4 - used in the colorimetric assay for determination of procaine hydrochloride in pharmaceutical preparations.