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Merck

T8032

Sigma-Aldrich

四环素 盐酸盐

powder

别名:

Tetracycline HCL

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About This Item

经验公式(希尔记法):
C22H24N2O8 · HCl
CAS号:
分子量:
480.90
Beilstein:
3844873
EC號碼:
MDL號碼:
分類程式碼代碼:
51284043
PubChem物質ID:
NACRES:
NA.76

生物源

synthetic

品質等級

無菌

γ-irradiated

形狀

powder

效力

≥850 μg per mg

儲存條件

(Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place.)

顏色

faintly yellow to yellow

mp

220-223 °C (lit.)

抗生素活性譜

Gram-negative bacteria
Gram-positive bacteria

作用方式

protein synthesis | interferes

儲存溫度

−20°C

SMILES 字串

Cl.CN(C)[C@H]1[C@@H]2C[C@H]3C(=C(O)[C@]2(O)C(=O)C(C(N)=O)=C1O)C(=O)c4c(O)cccc4[C@@]3(C)O

InChI

1S/C22H24N2O8.ClH/c1-21(31)8-5-4-6-11(25)12(8)16(26)13-9(21)7-10-15(24(2)3)17(27)14(20(23)30)19(29)22(10,32)18(13)28;/h4-6,9-10,15,25,27-28,31-32H,7H2,1-3H3,(H2,23,30);1H/t9-,10-,15-,21+,22-;/m0./s1

InChI 密鑰

XMEVHPAGJVLHIG-FMZCEJRJSA-N

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一般說明

Chemical structure: tetracycline

應用

建议以 10-20μg/ml 的量用于分子生物学应用。

生化/生理作用

作用机制:四环素通过细胞膜中的 proin 通道被动扩散,与 30S 核糖体结合,并通过阻止氨酰基 tRNA 进入 mRNA-核糖体复合物上的受体位点来抑制蛋白质合成。它也与细菌的 50S 核糖体亚基结合,改变膜并导致细胞内成分从细菌细胞中泄漏。通过洗涤可以逆转抑制作用,这表明起到抗菌作用的是可逆结合的抗生素,而不是不可逆结合的药物。

耐药性机制:这种作用通过细胞壁通透性的丧失而失活。

抗菌谱:包括对革兰氏阳性和革兰氏阴性细菌的广泛抗菌活性。

包裝

10MG,20MG

注意

直接在样品瓶中用无菌水 (10mg/ml) 制备储存液。储存液在 2-8°C 下保存不应超过一周;四环素在水溶液中会发生水解。

準備報告

The product is freely soluble in water, soluble in methanol and ethanol but is insoluble in ether and hydrocarbons. In water, the product yields a clear, yellow-orange solution with heating and in 95% ethanol, 50 mg dissolved in 4 mL with heating yields a clear, yellow-green solution. Tetracycline is rapidly destroyed by alkali hydroxide solutions and standing water solutions become turbid due to hydrolysis and precipitation. The potency of tetracycline is reduced in solutions with pH below 2.

其他說明

Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place.

訊號詞

Warning

危險分類

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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