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Anhydrochlortetracycline is an impurity in the tetracycline antibiotic chlortetracycline, which is formed from tetracycline in an acidic environment. Synonyms: Anhydroaureomycin. CAS No. 4497-8-9. Molecular formula: C22H21ClN2O7. Mole weight: 460.86.
Anhydrochlortetracycline hydrochloride
Anhydrochlortetracycline is a degradation product of chlorotetracycline formed by acid-catalysed isomerisation of the dimethylamino group at C4. It strongly inhibits the growth of Streptomyces aureofaciem, and shows a rather specific activity against actinomycetes. Synonyms: (4S,4aS,12aS)-7-Chloro-4-(dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-2-naphthacenecarboxamide Hydrochloride; Anhydroaureomycin Hydrochloride; Anhydro Chlortetracyline Monohydrochloride; [4S-(4α,4aα,12aα)]-7-Chloro-4-(dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-2-naphthacenecarboxamide Hydrochloride. Grades: >98% by HPLC. CAS No. 65490-24-6. Molecular formula: C22H22Cl2N2O7. Mole weight: 497.33.