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Bacitracin
Cas:
1405-87-4
Molecular Structure:
MDL:
MFCD00062640
Molecular Formula:
C66H103N17O16S
Molecular Weight:
1422.69
Alias:
枯草菌肽,枯草桿菌肽
Product order:
Name
Specifications
Packing
Price
Delivery
Bacitracin
效價(jià) >60 Units/mg
100g
RMB 3080
Consulting service
Bacitracin
效價(jià) >60 Units/mg
1G
RMB 286
現(xiàn)貨
Character:
白色到淡黃色粉末。無氣味或微有氣味,口味極苦。有吸濕性,易溶于水,能溶于乙醇、甲醇和冰乙酸、不溶于丙酮、氯仿和乙醚。在pH值9以上的堿性溶液中不穩(wěn)定。酸性溶液中穩(wěn)定。
熔點(diǎn):221-225℃
Quality Standard:
外觀Appearance 白色至淺黃色粉末
紅外光譜鑒定Infrared spectrometry 和對(duì)照品匹配
效價(jià)potency >60 I.U./mg (以干基計(jì))
干燥損失Loss on drying <5 % (1 g, 60°C) (P2O5)
(不超過 0.1 kPa 3 小時(shí))
硫酸鹽灰分Sulfated ash <3 %
pH 6 - 7 (1% 水溶液, 20°C)
水溶性試驗(yàn)Solubility (1 %; 水): 黃色透明
桿菌肽和相關(guān)物質(zhì)比率Ratio of Absorbances bacitracin F and related substances:
<0.2 (A290/A252)
來源: Bacillus licheniformis
Storage:
2-8℃保存。
用途 桿菌肽是由地衣型芽孢桿菌產(chǎn)生的多肽類抗生素,臨床主要用于皮膚和眼部感染,本品對(duì)大多數(shù)陽性細(xì)菌特別是耐藥葡萄球菌具有較強(qiáng)的抗菌作用。
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