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C9911

Sigma-Aldrich

(S)-(+)-Camptothecin

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

Synonym(s):

(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

Empirical Formula (Hill Notation):
C20H16N2O4
CAS Number:
7689-03-4
Molecular Weight:
348.35
Beilstein:
631069
MDL number:
MFCD00081076
UNSPSC Code:
12352200
PubChem Substance ID:
24278352
NACRES:
NA.77

product name

(S)-(+)-Camptothecin, ≥90% (HPLC), powder

Quality Level

200

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)

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Biochem/physiol Actions

(S)-(+)-Camptothecin binds irreversibly to the DNA-topoisomerase I complex, inhibiting the reassociation of DNA after cleavage by topoisomerase I and traps the enzyme in a covalent linkage with DNA. The enzyme complex is ubiquinated and destroyed by the 26S proteasome, thus depleting cellular topoisomerase I. Blocks the cell cycle in S-phase at low does and induces apoptosis in a large number of normal and tumor cell lines by cell cycle-dependent and cell cycle-independent processes.

Features and Benefits

This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

Other Notes

20S isomer

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H301,H340

Hazard Classifications

Acute Tox. 3 Oral - Muta. 1B

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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