产品名称
(S)-(+)-喜树碱, ≥90% (HPLC), powder
Quality Segment
assay
≥90% (HPLC)
form
powder
mp
260 °C (dec.) (lit.)
solubility
chloroform/methanol (4:1): 5 mg/mL
antibiotic activity spectrum
neoplastics
mode of action
DNA synthesis | interferes, enzyme | inhibits
storage temp.
2-8°C
SMILES string
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 key
VSJKWCGYPAHWDS-FQEVSTJZSA-N
Gene Information
human ... TOP1(7150)
mouse ... Prkca(18750)
rat ... Sstr2(54305)
Biochem/physiol Actions
(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。
Features and Benefits
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。
Other Notes
20S异构体
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Muta. 1B
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

