CAS 7689-03-4: Camptothecin
Formula:C20H16N2O4
InChI: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:InChIKey=VSJKWCGYPAHWDS-FQEVSTJZSA-N
SMILES:O=C1OCC=2C(=O)N3C(=CC2C1(O)CC)C=4N=C5C=CC=CC5=CC4C3
- Synonyms:
- (+)-Camptothecin
- (4S)-4-Ethyl-4-hydroxy-1H-pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
- (S)-Camptothecin
- 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (4S)-
- 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (S)-
- 1H-Pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (4S)-
- 1H-Pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (S)-
- 20(S)-Camptothecin
- 20(S)-Camptothecine
- 4-Ethyl-4-hydroxy-1H-pyrano-[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
- See more synonyms
- 4-Ethyl-4-hydroxy-1H-pyrano-[3,4:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
- Campathecin
- Campothecin
- Camptothccin
- Camptothecin, Camptotheca acuminata
- Mag-Cpt
- N-cyclohexyl-9-pentofuranosyl-9H-purin-6-amine
- Nsc 94600
- S-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
- S-Ckd 602
- d-Camptothecin
- Camptothecine

(S)-(+)-Camptothecin
CAS:7689-03-4
Formula:
C20H16N2O4
Purity:
>97.0%(HPLC)
Color and Shape:
White to Yellow to Green powder to crystal
Molecular weight:
348.36
- Quinolines
- Quinoline Alkaloids
- Terpenoids
- Antitumoral
- See more categories
- Natural Products and Phytochemicals by Botanical Origin
- Phytochemicals
- Enzyme Activators and Inhibitors
- Enzymes
- Apoptosis
- Cancer Research
- Biochemicals and Reagents
- Cellular and Molecular Biology
- Nutrition Research
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)
Ref: 3B-C1495
1g | 222.00 € | ||
100mg | 38.00 € |
Estimated delivery in United States, on Monday 7 Apr 2025

Topotecan Related Compound C ((S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione)
CAS:7689-03-4
Vegetable alkaloids, natural or reproduced by synthesis, their salts and other derivatives, nesoi
Formula:
C20H16N2O4
Color and Shape:
Powder
Molecular weight:
348.11101
Ref: 45-1672280
25mg | 1,292.00 € |
Estimated delivery in United States, on Friday 11 Apr 2025

(4S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
CAS:7689-03-4
Formula:
C20H16N2O4
Purity:
95%
Color and Shape:
Solid
Molecular weight:
348.35203999999993
- Ketones
- Quinolines
- Quinoline Alkaloids
- Terpenoids
- See more categories
- Antitumoral
- Natural Products and Phytochemicals by Botanical Origin
- Phytochemicals
- Enzyme Activators and Inhibitors
- APIs for research and impurities
- Enzymes
- Apoptosis
- Organic Building Blocks
- Other Inhibitors
- Chiral Organic Compounds
- Cancer Research
- Biochemicals and Reagents
- Cellular and Molecular Biology
- Nutrition Research
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)
Ref: IN-DA003BCG
1g | 40.00 € | ||
5g | 106.00 € | ||
10g | 163.00 € | ||
25g | 245.00 € | ||
100g | To inquire | ||
100mg | 25.00 € | ||
250mg | 26.00 € |
Estimated delivery in United States, on Monday 14 Apr 2025

(S)-(+)-Camptothecin
CAS:7689-03-4
Formula:
C20H16N2O4
Purity:
≥ 95.0%
Color and Shape:
Light-yellow to brown crystalline powder
Molecular weight:
348.35
Ref: 7W-GA9966
25mg | 27.00 € | ||
100mg | 53.00 € | ||
250mg | 84.00 € |
Estimated delivery in United States, on Tuesday 15 Apr 2025

Camptothecin
CAS:7689-03-4
M01564 - Camptothecin
Formula:
C20H16N2O4
Purity:
>98%
Color and Shape:
Solid, Crystalline Powder
Molecular weight:
348.3580017089844
Ref: 10-M01564
1g | 37.00 € | ||
5g | 122.00 € | ||
10g | 208.00 € | ||
25g | 399.00 € | ||
100mg | 29.00 € | ||
250mg | 33.00 € |
Estimated delivery in United States, on Tuesday 15 Apr 2025

(+)-Camptothecin, 98%
CAS:7689-03-4
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …
Formula:
C20H16N2O4
Purity:
98%
Color and Shape:
Powder, Yellow
Molecular weight:
348.36
Ref: AC-27672
1g | To inquire | ||
100mg | 236.00 € |
Estimated delivery in United States, on Tuesday 15 Apr 2025

(S)-(+)-Camptothecin
Controlled ProductCAS:7689-03-4
Formula:
C20H16N2O4
Color and Shape:
Neat
Molecular weight:
348.35
Ref: 86-MM1330.02-0025
25mg | To inquire |
Estimated delivery in United States, on Tuesday 15 Apr 2025

Ref: BP-BP0308
20mg | 48.00 € |
Estimated delivery in United States, on Tuesday 15 Apr 2025

Ref: 4Z-I-1811
5mg | To inquire | ||
10mg | To inquire | ||
25mg | To inquire | ||
50mg | To inquire | ||
100mg | To inquire |
Estimated delivery in United States, on Monday 21 Apr 2025

(S)-(+)-Camptothecin
CAS:7689-03-4
Formula:
C20H16N2O4
Purity:
98% (Typical Value in Batch COA)
Color and Shape:
faint yellow powder
Molecular weight:
348.35g/mol
Ref: 54-BIC8442
1g | 42.00 € | ||
5g | 134.00 € | ||
10g | 208.00 € |
Estimated delivery in United States, on Monday 21 Apr 2025

(4S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
CAS:7689-03-4
Color and Shape:
Yellow Powder
Molecular weight:
348.35g/mol
Ref: 54-OR014824
1g | 40.00 € | ||
5g | 102.00 € |
Estimated delivery in United States, on Monday 21 Apr 2025

Camptothecin
CAS:7689-03-4
Natural alkaloid
Formula:
C20H16N2O4
Purity:
≥ 90.0 % (HPLC)
Color and Shape:
Powder
Molecular weight:
348.36
Ref: 5G-89593
50mg | 300.00 € | ||
250mg | 1,284.00 € | ||
500mg | 2,416.00 € | ||
1000mg | 4,530.00 € |
Estimated delivery in United States, on Monday 21 Apr 2025

(S)-(+)-Camptothecin
Controlled ProductCAS:7689-03-4
Impurity Topotecan USP Related Compound C Applications Antitumor alkaloid. Binds irreversible to the DNA-topoisomerase I …
Formula:
C20H16N2O4
Color and Shape:
Beige To Yellow
Molecular weight:
348.35
Ref: TR-C175150
50mg | 100.00 € | ||
100mg | 102.00 € | ||
250mg | 164.00 € |
Estimated delivery in United States, on Tuesday 22 Apr 2025

(S)-(+)-Camptothecin
CAS:7689-03-4
Please enquire for more information about (S)-(+)-Camptothecin including the price, delivery time and more detailed …
Formula:
C20H16N2O4
Purity:
Min. 98 Area-%
Color and Shape:
Yellow Powder
Molecular weight:
348.35 g/mol
Ref: 3D-FC15450
10g | 339.00 € | ||
25g | 689.00 € | ||
50g | 1,152.00 € | ||
100g | 2,121.00 € |
Estimated delivery in United States, on Wednesday 23 Apr 2025

Camptothecin
CAS:7689-03-4
Camptothecin (CPT) belongs to the alkaloid group of natural products and is a specific DNA …
Formula:
C20H16N2O4
Purity:
98.61% - 99.52%
Color and Shape:
Solid Powder
Molecular weight:
348.35
Ref: TM-T1123
100mg | 50.00 € | ||
500mg | 134.00 € |
Estimated delivery in United States, on Tuesday 27 May 2025

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
CAS:7689-03-4
Please enquire for more information about (S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione including the price, delivery time and more detailed …
Formula:
C20H16N2O4
Purity:
Min. 95%
Molecular weight:
348.4 g/mol
Ref: 3D-HAA68903
250mg | Discontinued | Request information | |
2500mg | Discontinued | Request information |