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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,枯草杆菌肽
Product order:
Name
Specifications
Packing
Price
Delivery
Bacitracin
效价 >60 Units/mg
100g
RMB 3080
Consulting service
Bacitracin
效价 >60 Units/mg
1G
RMB 286
现货
Character:
白色到淡黄色粉末。无气味或微有气味,口味极苦。有吸湿性,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以上的碱性溶液中不稳定。酸性溶液中稳定。
熔点:221-225℃
Quality Standard:
外观Appearance 白色至浅黄色粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
效价potency >60 I.U./mg (以干基计)
干燥损失Loss on drying <5 % (1 g, 60°C) (P2O5)
(不超过 0.1 kPa 3 小时)
硫酸盐灰分Sulfated ash <3 %
pH 6 - 7 (1% 水溶液, 20°C)
水溶性试验Solubility (1 %; 水): 黄色透明
杆菌肽和相关物质比率Ratio of Absorbances bacitracin F and related substances:
<0.2 (A290/A252)
来源: Bacillus licheniformis
Storage:
2-8℃保存。
用途 杆菌肽是由地衣型芽孢杆菌产生的多肽类抗生素,临床主要用于皮肤和眼部感染,本品对大多数阳性细菌特别是耐药葡萄球菌具有较强的抗菌作用。
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