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208925

Sigma-Aldrich

(S)-(+)-Camptothecin

from Camptotheca acuminata, ≥95% (HPLC), solid, DNA topoisomerase I inhibitor, Calbiochem

Synonym(s):

Camptothecin, Camptotheca acuminata, 4-Ethyl-4-hydroxy-1H-pyrano[3ʹ,4ʹ:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)dione

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About This Item

Empirical Formula (Hill Notation):
C20H16N2O4
CAS Number:
7689-03-4
Molecular Weight:
348.35
MDL number:
MFCD00081076
UNSPSC Code:
12352200
NACRES:
NA.77

product name

Camptothecin, Camptotheca acuminata, A cell-permeable DNA topoisomerase I inhibitor.

Quality Level

100

Assay

≥95% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

pale yellow

solubility

DMSO: 10 mg/mL
methanol: 40 mg/mL

shipped in

ambient

storage temp.

2-8°C

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

General description

A cell-permeable DNA topoisomerase I inhibitor. Exhibits anti-leukemic and antitumor properties. Induces apoptosis in HL-60 cells and mouse thymocytes. Arrests cells at the G2/M phase.
A cell-permeable, reversible DNA topoisomerase I inhibitor that binds to and stabilizes the topoisomerase-DNA covalent complex. Possesses antileukemic and antitumor properties. Inhibits Tat-mediated transactivation of HIV-1. Cytostatic for non-tumorigenic cells but cytotoxic for tumorigenic cells. Induces apoptosis of HL-60 cells and mouse thymocytes.

Biochem/physiol Actions

Cell permeable: yes
Primary Target
DNA topoisomerase 1
Product does not compete with ATP.
Reversible: no

Warning

Toxicity: Toxic & Carcinogenic / Teratogenic (G)

Preparation Note

Stock solutions made with methanol will remain cloudy.

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 2 months at -20°C.

Other Notes

Due to the nature of the Hazardous Materials in this shipment, additional shipping charges may be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.
Jones, C.B., et al. 1997. Cancer Chemother. Pharmacol.40, 475.
Staron, K., et al. 1994. Carcinogenesis 15, 2953.
Tanizawa, A., et al. 1994. J. Natl. Cancer Inst. 86, 836.
Gorczyca, W., et al. 1993. Toxicol. Lett.67, 249.
Onishi, Y., et al. 1993. Biochim. Biophys. Acta1175, 147.
Pantazis, P., et al. 1993. Int. J. Cancer53, 863.
Morham, S.G., and Shuman, S. 1992. J. Biol. Chem.267, 15984.
Hertzberg, R.P., et al. 1990. Biochem. J.28, 4629.
Hertzberg, R.P., et al. 1990. J. Biol. Chem.265, 19287.
Hsiang, Y.H., et al. 1985. J. Biol. Chem.260, 14873.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H301,H340

Hazard Classifications

Acute Tox. 3 Oral - Muta. 1B

Storage Class Code

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Nucleic acids research, 50(18), 10503-10525 (2022-10-07)
Multifunctional protein APE1/APEX1/HAP1/Ref-1 (designated as APE1) plays important roles in nuclease-mediated DNA repair and redox regulation in transcription. However, it is unclear how APE1 regulates the DNA damage response (DDR) pathways. Here we show that siRNA-mediated APE1-knockdown or APE1 inhibitor
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Mosquito-borne viruses including dengue, Zika, and Chikungunya viruses, and parasites such as malaria and Onchocerca volvulus endanger health and economic security around the globe, and emerging mosquito-borne pathogens have pandemic potential. However, the rapid spread of insecticide resistance threatens our
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The maintenance of genome integrity and fidelity is vital for the proper function and survival of all organisms. Recent studies have revealed that APE2 is required to activate an ATR-Chk1 DNA damage response (DDR) pathway in response to oxidative stress
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