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Merck

C9911

Sigma-Aldrich

(S)-(+)-喜树碱

≥90% (HPLC), powder, DNA topoisomerase I inhibitor

别名:

(S)-4-Ethyl-4-hydroxy-1H-pyrano-[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione

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About This Item

经验公式(希尔记法):
C20H16N2O4
CAS号:
分子量:
348.35
Beilstein:
631069
MDL號碼:
分類程式碼代碼:
12352200
PubChem物質ID:
NACRES:
NA.77

product name

(S)-(+)-喜树碱, ≥90% (HPLC), powder

化驗

≥90% (HPLC)

形狀

powder

mp

260 °C (dec.) (lit.)

溶解度

chloroform/methanol (4:1): 5 mg/mL

抗生素活性譜

neoplastics

作用方式

DNA synthesis | interferes
enzyme | inhibits

儲存溫度

2-8°C

SMILES 字串

CC[C@@]1(O)C(=O)OCC2=C1C=C3N(Cc4cc5ccccc5nc34)C2=O

InChI

1S/C20H16N2O4/c1-2-20(25)14-8-16-17-12(7-11-5-3-4-6-15(11)21-17)9-22(16)18(23)13(14)10-26-19(20)24/h3-8,25H,2,9-10H2,1H3/t20-/m0/s1

InChI 密鑰

VSJKWCGYPAHWDS-FQEVSTJZSA-N

基因資訊

human ... TOP1(7150)
mouse ... Prkca(18750)
rat ... Sstr2(54305)

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生化/生理作用

(S)-(+)-喜树碱和DNA拓扑异构酶I复合体不可逆地结合,抑制拓扑异构酶I剪切后DNA重组,将酶和DNA以共价键形式锁住。酶复合体被泛素化,被26S蛋白酶破坏,耗尽细胞内拓扑异构酶I。该酶在低剂量下在S期阻碍细胞周期,在大多数正常和肿瘤细胞中通过依赖细胞周期和不依赖细胞周期的过程诱发细胞凋亡。

特點和優勢

该化合物是细胞凋亡研究的特色产品。点击此处 ,查看更多细胞凋亡精选产品。想要了解有关生物活性小分子在其他研究领域应用的更多信息,请访问 sigma.com/discover-bsm

其他說明

20S异构体

象形圖

Skull and crossbonesHealth hazard

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 3 Oral - Muta. 1B

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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