WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 461708

CAS#: 131190-63-1

Description: Saintopin is an anticancer agent that induces DNA cleavage mediated by both topoisomerase (topo) I and topo II in vitro through stabilization of the reversible enzyme-DNA cleavable complex.

Chemical Structure

CAS# 131190-63-1

Theoretical Analysis

MedKoo Cat#: 461708
Name: Saintopin
CAS#: 131190-63-1
Chemical Formula: C18H10O7
Exact Mass: 338.04
Molecular Weight: 338.270
Elemental Analysis: C, 63.91; H, 2.98; O, 33.11

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Saintopin;

IUPAC/Chemical Name: 1,3,8,10,11-pentahydroxytetracene-5,12-dione


InChi Code: InChI=1S/C18H10O7/c19-7-1-6-2-9-15(17(24)13(6)11(21)4-7)18(25)14-10(16(9)23)3-8(20)5-12(14)22/h1-5,19-22,24H

SMILES Code: O=C(C1=C2C(O)=C3C(O)=CC(O)=CC3=C1)C4=CC(O)=CC(O)=C4C2=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 338.27 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Fujii N, Yamashita Y, Mizukami T, Nakano H. Correlation between the formation of cleavable complex with topoisomerase I and growth-inhibitory activity for saintopin-type antibiotics. Mol Pharmacol. 1997 Feb;51(2):269-76. PubMed PMID: 9203632.

2: Taniguchi K, Kohno K, Kawanami K, Wada M, Kanematsu T, Kuwano M. Drug-induced down-regulation of topoisomerase I in human epidermoid cancer cells resistant to saintopin and camptothecins. Cancer Res. 1996 May 15;56(10):2348-54. PubMed PMID: 8625310.

3: Martin P, Rodier S, Mondon M, Renoux B, Pfeiffer B, Renard P, Pierré A, Gesson JP. Synthesis and cytotoxic activity of tetracenomycin D and of saintopin analogues. Bioorg Med Chem. 2002 Feb;10(2):253-60. PubMed PMID: 11741773.

4: Yamashita Y, Kawada S, Fujii N, Nakano H. Induction of mammalian DNA topoisomerase I and II mediated DNA cleavage by saintopin, a new antitumor agent from fungus. Biochemistry. 1991 Jun 18;30(24):5838-45. PubMed PMID: 1646001.

5: Ishiyama D, Futamata K, Futamata M, Kasuya O, Kamo S, Yamashita F, Kanazawa S. Novel selective inhibitors for human topoisomerase I, BM2419-1 and -2 derived from saintopin. J Antibiot (Tokyo). 1998 Dec;51(12):1069-74. PubMed PMID: 10048564.

6: Leteurtre F, Fujimori A, Tanizawa A, Chhabra A, Mazumder A, Kohlhagen G, Nakano H, Pommier Y. Saintopin, a dual inhibitor of DNA topoisomerases I and II, as a probe for drug-enzyme interactions. J Biol Chem. 1994 Nov 18;269(46):28702-7. PubMed PMID: 7961822.

7: Yamashita Y, Saitoh Y, Ando K, Takahashi K, Ohno H, Nakano H. Saintopin, a new antitumor antibiotic with topoisomerase II dependent DNA cleavage activity, from Paecilomyces. J Antibiot (Tokyo). 1990 Oct;43(10):1344-6. PubMed PMID: 2175304.

8: Knab AM, Fertala J, Bjornsti MA. A camptothecin-resistant DNA topoisomerase I mutant exhibits altered sensitivities to other DNA topoisomerase poisons. J Biol Chem. 1995 Mar 17;270(11):6141-8. PubMed PMID: 7890748.

9: Verma RP. Anti-cancer activities of 1,4-naphthoquinones: a QSAR study. Anticancer Agents Med Chem. 2006 Sep;6(5):489-99. Review. PubMed PMID: 17017857.

10: Pommier Y, Jenkins J, Kohlhagen G, Leteurtre F. DNA recombinase activity of eukaryotic DNA topoisomerase I; effects of camptothecin and other inhibitors. Mutat Res. 1995 Sep;337(2):135-45. PubMed PMID: 7565862.

11: Kim BH, Yoo J, Park SH, Jung JK, Cho H, Chung Y. Synthesis and evaluation of antitumor activity of novel 1,4-naphthoquinone derivatives (IV). Arch Pharm Res. 2006 Feb;29(2):123-30. PubMed PMID: 16526275.

12: Kohlhagen G, Paull KD, Cushman M, Nagafuji P, Pommier Y. Protein-linked DNA strand breaks induced by NSC 314622, a novel noncamptothecin topoisomerase I poison. Mol Pharmacol. 1998 Jul;54(1):50-8. PubMed PMID: 9658189.