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| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
|---|
Moligand™, 10mM in DMSO Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -80°C Ships Dry ice packs + Cold packs Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 20 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Information
SN-38 (NK012) is an active metabolite of CPT-11, inhibitsDNA topoisomerase I, DNA synthesis and causes frequent DNA single-strand breaks. SN-38 inducesautophagy.
In vitro
SN-38, a biological active metabolite of irinotecan hydrochloride (CPT-11). SN-38 causes the strongest inhibition of DNA topoisomerase I, followed by CPT and then CPT-11. CPT-11 dose dependently shifts the position of relaxed DNA in the direction of nicked DNA, but SN-38 and CPT shows no effect on the position of relaxed DNA. SN-38 dose-dependently and time-dependently inhibit DNA synthesis. Respective IC50 values of SN-38, in DNA synthesis is 0.077 μM. The inhibitory effect of SN-38 on RNA synthesis is less than that on DNA synthesis and it does not inhibit protein synthesis. SN-38 caused frequent DNA single-strand breaks in P388 cells.
In vivo
After oral dosing, peak SN-38 concentrations occurrs within 1 h, and the The percent unbound SN-38 lactone in murine plasma at 1000 ng/mL is 3.4 +/- 0.67%, whereas at 100 ng/mL the percent unbound is 1.18 +/- 0.14%. SN-38 lactone AUCs in micebearing human neuroblastoma xenografts are greater than in nontumor-bearing animals.
Cell Data
cell lines:
Concentrations:0 -1000 nM
Incubation Time:48 h
Powder Purity:≥99%
| Isomeric SMILES | CCC1=C2CN3C(=CC4=C(C3=O)COC(=O)[C@@]4(CC)O)C2=NC5=C1C=C(C=C5)O |
|---|---|
| WGK Germany | 3 |
| RTECS | UQ0491000 |
| Alternate CAS | 86639-52-3 |
| NSC Number | 673596 |
| MeSH Entry Terms | 7 Ethyl 10 hydroxycamptothecin;7-ethyl-10-hydroxycamptothecin;Camptosar;Camptothecin 11;camptothecin-11;CPT 11;CPT-11;CPT11;irinotecan;irinotecan hydrochloride;Irrinotecan;NK012 compound;SN 38;SN 38 11;SN-38;SN-38-11;SN3811 |
| Molecular Weight | 392.4 |
| Reaxy-Rn | 4279374 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4279374&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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| Solubility | Solubility (25°C) In vitro DMSO: 71 mg/mL (200.92 mM); Ethanol: 50 mg/mL (141.49 mM); Water: Insoluble; |
|---|---|
| Specific Rotation[α] | +20.0 to +30.0 deg(C=0.2, THF) |
| Melt Point(°C) | 217°C |
| 1. Jie Huang, Xiao Tang, Ziqiong Yang, Jianqiu Chen, Kun Wang, Chengnan Shi, Zihan Liu, Ming Wu, Qian Du. (2023) Enhancing oral delivery and anticancer efficacy of 7-ethyl-10-hydroxycamptothecin through self-assembled micelles of deoxycholic acid grafted N'-nonyl-trimethyl chitosan. COLLOIDS AND SURFACES B-BIOINTERFACES, [PMID:38215603] [10.1016/j.colsurfb.2023.113736] |
| 2. Xin Lv, Zhe Wang, Zhen Wang, Hang Yin, Yangliu Xia, Lili Jiang, Yong Liu. (2023) Drug-drug interaction potentials of tucatinib inhibition of human UDP-glucuronosyltransferases. CHEMICO-BIOLOGICAL INTERACTIONS, [PMID:37263554] [10.1016/j.cbi.2023.110574] |
| 3. Yanfei Chen, Zhaoliang Hu, Wenzhu Qi, Shuxiao Gao, Jing Jiang, Shixiao Wang, Lei Xu, Xin Xu, Min Song, Taijun Hang. (2020) Pharmacovigilance of herb-drug interactions: A pharmacokinetic study on the combination administration of herbal Kang’ai injection and chemotherapy irinotecan hydrochloride injection by LC–MS/MS. JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS, [PMID:33280996] [10.1016/j.jpba.2020.113784] |
| 4. Jiang Lili, Wang Li, Zhang Zhongmin, Wang Zhen, Wang Xiaoyu, Wang Shujuan, Luan Xiaowei, Xia Yangliu, Liu Yong. (2019) The pharmacokinetic interaction between irinotecan and sunitinib. CANCER CHEMOTHERAPY AND PHARMACOLOGY, 85 (2): (443-448). [PMID:31691077] [10.1007/s00280-019-03985-1] |
| 5. Yitong Wang, Quan Huang, Xiao He, Hui Chen, Yuan Zou, Yiwen Li, Kaili Lin, Xiaopan Cai, Jianru Xiao, Qiang Zhang, Yiyun Cheng. (2018) Multifunctional melanin-like nanoparticles for bone-targeted chemo-photothermal therapy of malignant bone tumors and osteolysis. BIOMATERIALS, [PMID:30144589] [10.1016/j.biomaterials.2018.08.033] |
| 6. Mengjing Zhao, Tianpeng Zhang, Fangjun Yu, Lianxia Guo, Baojian Wu. (2018) E4bp4 regulates carboxylesterase 2 enzymes through repression of the nuclear receptor Rev-erbα in mice. BIOCHEMICAL PHARMACOLOGY, [PMID:29653076] [10.1016/j.bcp.2018.04.005] |
| 7. Jianing Li, Tianze Wu, Weidong Wang, Yimin Gong, Mingzhu Lu, Mengmeng Zhang, Wanyue Lu, Yaming Zhou, Yannan Yang. (2024) Hybrid nanoparticle–mediated simultaneous ROS scavenging and STING activation improve the antitumor immunity of in situ vaccines. Science Advances, 10 (38): [PMID:39292792] [10.1126/sciadv.adn3002] |
| 8. Shichao Xiao, Hang Yin, Xin Lv, Zhen Wang, Lili Jiang, Yangliu Xia, Yong Liu. (2024) Inhibition of human UDP-glucuronosyltransferase (UGT) enzymes by darolutamide: Prediction of in vivo drug-drug interactions. CHEMICO-BIOLOGICAL INTERACTIONS, [PMID:39278459] [10.1016/j.cbi.2024.111246] |
| 9. Lili Cheng, Peng Zhang, Yadong Liu, Zhuoyin Liu, Junjie Tang, Langtao Xu, Jie Liu. (2023) Multifunctional hybrid exosomes enhanced cancer chemo-immunotherapy by activating the STING pathway. BIOMATERIALS, [PMID:37531777] [10.1016/j.biomaterials.2023.122259] |
| 10. Linjie Yang, Jingyi Hong, Jing Di, Yifei Guo, Meihua Han, Meifeng Liu, Xiangtao Wang. (2023) 10-Hydroxycamptothecin (HCPT) nanosuspensions stabilized by mPEG1000-HCPT conjugate: high stabilizing efficiency and improved antitumor efficacy. International Journal of Nanomedicine, [PMID:28553107] [10.2147/IJN.S134005] |
| 11. Jinjin Chen, Lulu Zhou, Chunhui Wang, Yunhao Sun, Yonglin Lu, Ruihao Li, Xiaochun Hu, Mengyao Chen, Lv Chen, Keke Chai, Tianming Yao, Shuo Shi, Chunyan Dong. (2020) A multifunctional SN38-conjugated nanosystem for defeating myelosuppression and diarrhea induced by irinotecan in esophageal cancer. Nanoscale, 12 (41): (21234-21247). [PMID:33063070] [10.1039/D0NR06266A] |
| 12. Xing Wang, Changping Wang, Xinyu Wang, Yitong Wang, Qiang Zhang, Yiyun Cheng. (2017) A Polydopamine Nanoparticle-Knotted Poly(ethylene glycol) Hydrogel for On-Demand Drug Delivery and Chemo-photothermal Therapy. CHEMISTRY OF MATERIALS, [PMID:] [10.1021/acs.chemmater.6b05192] |
| 13. Xinyu Wang, Jishen Zhang, Yitong Wang, Changping Wang, Jianru Xiao, Qiang Zhang, Yiyun Cheng. (2015) Multi-responsive photothermal-chemotherapy with drug-loaded melanin-like nanoparticles for synergetic tumor ablation. BIOMATERIALS, [PMID:26731575] [10.1016/j.biomaterials.2015.11.037] |
| 14. Hua Sun, Xiaotong Zhou, Baojian Wu. (2015) Accurate identification of UDP-glucuronosyltransferase 1A1 (UGT1A1) inhibitors using UGT1A1-overexpressing HeLa cells. XENOBIOTICA, [PMID:26068529] [10.3109/00498254.2015.1033502] |
| 15. Zede Wu, Qiuyu Li, Kai Zhu, Shuting Zheng, Honglei Hu, Meirong Hou, Li Qi, Siwen Chen, Yikai Xu, Bingxia Zhao, Chenggong Yan. (2024) Cancer Radiosensitization Nanoagent to Activate cGAS-STING Pathway for Molecular Imaging Guided Synergistic Radio/Chemo/Immunotherapy. Advanced Healthcare Materials, [PMID:38387885] [10.1002/adhm.202303626] |
| 16. Feng Gao, Jun Guo, Shihao Liu, Feng Zhang, Yi Zhang, Liping Wang. (2024) Empowering hydrophobic anticancer drugs by ultrashort peptides: General Co-assembly strategy for improved solubility, targeted efficacy, and clinical application. JOURNAL OF COLLOID AND INTERFACE SCIENCE, [PMID:38631250] [10.1016/j.jcis.2024.04.013] |
| 17. Xiaojiang Zhang, Yujie Zhang, Pengqian Wang, Feiyu Shi, Siyuan Du, Zhe Zhang, Daocheng Wu, Junjun She, Ya Wang. (2025) Infinite Coordination Polymer Polydopamine Nanocomposites Dual-Pathway Multistep Induction of Long-Term Hyperimmunity Combined With Photothermal-Chemo Synergistic Therapy Colorectal Cancer. Aggregate, [PMID:] [10.1002/agt2.730] |
| 18. Ming Li, Xinrui Zhang, Yujie Zhou, Yuteng Chu, Jie Shen, Yue Cai, Xuanrong Sun. (2024) Near Infrared-Activatable Biomimetic Nanoplatform for Tumor-Specific Drug Release, Penetration and Chemo-Photothermal Synergistic Therapy of Orthotopic Glioblastoma. International Journal of Nanomedicine, [PMID:39011386] [10.2147/IJN.S466268] |
| 19. Xu Luo, Ziqiong Yang, Jianqiu Chen, Mengqi Shen, Kun Wang, Qian Du. (2026) Encapsulating GSH/NQO1-responsive SN38 prodrug micelles with Timosaponin AIII-based multifunctional liposomes for tumor-targeted chemotherapy. International Journal of Pharmaceutics-X, [PMID:41659385] [10.1016/j.ijpx.2026.100497] |
| 20. Zhen Wang, Xin Lv, Hang Yin, Lili Jiang, Yuntao Ji, Xing Zhang, Changqing Qv, Yong Liu. (2026) Inhibition of UDP-glucuronosyltransferases by fedratinib, implying a high risk of drug-drug interactions. CHEMICO-BIOLOGICAL INTERACTIONS, [PMID:41747993] [10.1016/j.cbi.2026.111994] |
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