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土霉素碱 氧四环素CAS: 79-57-2原料研发供应出厂仅供科研

更新时间:2024-05-04 07:00:00
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详细介绍
中文名土霉素碱
英文名Oxytetracycline
别名地素
土霉素
地霉素
氧四素
氧四環素
土霉素碱
氧四环素
地靈黴素
4-二甲氨基-1,4,4a,5,5a,6,11,12a-八氢-3,5,6,10,12,12a-六羟基-6-甲基-1,11-二氧代-并四苯-2-甲酰胺
英文别名OTC Base
adamycin
antibiotictm25
Oxytetracycline
Oxytetracycline Base
5-hydroxy-tetracyclin
5-Hydroxytetracycline
6-beta,12a-alpha))--alph
12,12a-hexahydroxy-6-methyl-1,11-dioxo-10
6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-,[4s-(4alpha,4aalpha,5alpha,5a
6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-,(4s-(4-alpha,4a-alpha,5-alpha,5a
4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide
2-Naphthacenecarboxamide,4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo
4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-,2-Naphthacenecarboxamide
(4S,4aR,6S,12aS)-4-(dimethylamino)-3,5,6,10,12,12a-hexahydroxy-6-methyl-11-oxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(2Z,4S,4aR,5S,5aR,6S,12aS)-2-[amino(hydroxy)methylidene]-4-(dimethylamino)-5,6,10,11,12a-pentahydroxy-6-methyl-4a,5a,6,12a-tetrahydrotetracene-1,3,12(2H,4H,5H)-trione
CAS79-57-2
EINECS201-212-8
化学式C22H24N2O9
分子量460.43
InChIInChI=1/C22H26N2O8/c1-21(31)9-5-4-6-10(25)11(9)17(27)12-13(21)18(28)14-15(24(2)3)16(26)8(20(23)30)7-22(14,32)19(12)29/h4-6,13-15,18,25-26,28-29,31-32H,7H2,1-3H3,(H2,23,30)/t13?,14-,15+,18?,21-,22+/m1/s1
InChIKeyIWVCMVBTMGNX
密度1.6340
熔点183 °C
沸点565.29°C (rough estimate)
比旋光度-223 º (c=1 0.03N HCl)
闪点447.954°C
水溶性0.2 g/L
蒸汽压0mmHg at 25°C
溶解度在0.6毫克/毫升的水溶液中微溶
折射率1.6500 (estimate)
酸度系数pKa 3.27/7.32/9.11(H2O,t =25,I<)(Approximate)
存储条件Keep in dark place,Inert atmosphere,Room temperature
外观结晶性粉末
颜色Beige to light yellow
物化性质淡黄色结晶性粉末。熔点182-182℃(分解)。微溶于乙醇,极微溶于水。在空气中稳定,遇光颜色渐暗,在碱性溶液中易破坏。吸附在碳酸钙中的制剂为黄褐色干燥粉末。盐酸盐为黄色结晶粉末,无臭,味微苦。熔点190-194℃,在室温下长期保存不变质,不失效。易溶于水和甲醇,略溶于乙醇,不溶于氯仿、yimi。其水溶液在酸性条件下稳定,碱性条件下不稳定。


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