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USP
Related
compounds: *methacycline +2% *any
impurity eluting before methacyline
+0.5% *6-epidoxycycline +2% *any
impurity eluting after the main doxycycline peak
+0.5% Crystallinity: meets the
requirements pH 5.0 ゛
6.5 Water 3.6% ゛
4.6% Assay 880μg/mg ゛ 980μg/mg
Ph Eur
pH 5.0 ゛
6.5 Specific optical rotation -113<゛
-130< Related substances meets the
requirements Water 3.6% ゛
4.6% Heavy metals +50 ppm Sulphated
ash +0.4% Related
compounds: *any impurity eluting before methacyline
+0.5% *methacycline +2% *6-epidoxycycline +2% *any
impurity eluting after the main doxycycline peak
+0.5% Assay 95.0% ゛ 102.0%
Action and uses: An antibiotic of tetracycline, and an
wide-spectrum antibiotic, used in the treatment of infection of
Gram-positive cocci or Gram-negative bacilli, also effective for
Rickettsia infections such as typhus, tsutsug-amushi disease etc.
And also effective for amebic dysentery and atypical pneumonia.
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