Selinexor free base
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MedKoo CAT#: 206485

CAS#: 1393477-72-9 (free base)

Description: Selinexor, also known as KPT-330, is an orally bioavailable, potent and selective XPO1/CRM1 Inhibitor. Selinexor is effective in acquired resistance to ibrutinib and synergizes with ibrutinib in chronic lymphocytic leukemia. Selinexor potentiates the antitumor activity of gemcitabine in human pancreatic cancer through inhibition of tumor growth, depletion of the antiapoptotic proteins, and induction of apoptosis. Selinexor has strong activity against primary AML cells while sparing normal stem and progenitor cells.


Chemical Structure

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Selinexor free base
CAS# 1393477-72-9 (free base)

Theoretical Analysis

MedKoo Cat#: 206485
Name: Selinexor free base
CAS#: 1393477-72-9 (free base)
Chemical Formula: C17H11F6N7O
Exact Mass: 443.09293
Molecular Weight: 443.31
Elemental Analysis: C, 46.06; H, 2.50; F, 25.71; N, 22.12; O, 3.61

Price and Availability

Size Price Availability Quantity
10.0mg USD 90.0 Same day
50.0mg USD 150.0 Same day
100.0mg USD 250.0 Same day
200.0mg USD 450.0 Same day
500.0mg USD 950.0 Same day
1.0g USD 1650.0 Same day
2.0g USD 2950.0 Same day
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Related CAS #: 1393477-72-9 (free base)   1421923-86-5 (E-isomer)   1621865-82-4 (E-isomer)   Unknown (HCl)    

Synonym: KPT-330; KPT330; KPT 330; Selinexor; Xpovio

IUPAC/Chemical Name: (Z)-3-(3-(3,5-bis(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)-N'-(pyrazin-2-yl)acrylohydrazide

InChi Key: DEVSOMFAQLZNKR-RJRFIUFISA-N

InChi Code: InChI=1S/C17H11F6N7O/c18-16(19,20)11-5-10(6-12(7-11)17(21,22)23)15-26-9-30(29-15)4-1-14(31)28-27-13-8-24-2-3-25-13/h1-9H,(H,25,27)(H,28,31)/b4-1-

SMILES Code: O=C(NNC1=NC=CN=C1)/C=C\N2N=C(C3=CC(C(F)(F)F)=CC(C(F)(F)F)=C3)N=C2

Appearance: White to off-white 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, not in water

Shelf Life: >2 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 443.31 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

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1: Wang AY, Weiner H, Green M, Chang H, Fulton N, Larson RA, Odenike O, Artz AS, Bishop MR, Godley LA, Thirman MJ, Kosuri S, Churpek JE, Curran E, Pettit K, Stock W, Liu H. A phase I study of selinexor in combination with high-dose cytarabine and mitoxantrone for remission induction in patients with acute myeloid leukemia. J Hematol Oncol. 2018 Jan 5;11(1):4. doi: 10.1186/s13045-017-0550-8. PubMed PMID: 29304833.

2: Crochiere ML, Hannus S, Hansen K, Becker F, Baloglu E, Lee M, Kauffman M, Shacham S, Landesman Y. XPO1 target occupancy measurements confirm the selinexor recommended phase 2 dose. Oncotarget. 2017 Nov 30;8(66):110503-110516. doi: 10.18632/oncotarget.22801. eCollection 2017 Dec 15. PubMed PMID: 29299164; PubMed Central PMCID: PMC5746399.

3: Chim CS, Kumar SK, Orlowski RZ, Cook G, Richardson PG, Gertz MA, Giralt S, Mateos MV, Leleu X, Anderson KC. Management of relapsed and refractory multiple myeloma: novel agents, antibodies, immunotherapies and beyond. Leukemia. 2017 Jan 16. doi: 10.1038/leu.2017.329. [Epub ahead of print] Review. PubMed PMID: 29257139.

4: Bobillo S, Abrisqueta P, Carpio C, Raheja P, Castellví J, Crespo M, Bosch F. Promising activity of selinexor in the treatment of a patient with refractory diffuse large B-cell lymphoma and central nervous system involvement. Haematologica. 2017 Dec 14. pii: haematol.2017.181636. doi: 10.3324/haematol.2017.181636. [Epub ahead of print] PubMed PMID: 29242296.

5: Chen C, Siegel D, Gutierrez M, Jacoby M, Hofmeister CC, Gabrail N, Baz R, Mau-Sorensen M, Berdeja JG, Savona M, Savoie L, Trudel S, Areethamsirikul N, Unger TJ, Rashal T, Hanke T, Kauffman M, Shacham S, Reece D. Safety and efficacy of selinexor in relapsed or refractory multiple myeloma and Waldenstrom's macroglobulinemia. Blood. 2017 Dec 4. pii: blood-2017-08-797886. doi: 10.1182/blood-2017-08-797886. [Epub ahead of print] PubMed PMID: 29203585.

6: Corno C, Stucchi S, De Cesare M, Carenini N, Stamatakos S, Ciusani E, Minoli L, Scanziani E, Argueta C, Landesman Y, Zaffaroni N, Gatti L, Perego P. FoxO-1 contributes to the efficacy of the combination of the XPO1 inhibitor selinexor and cisplatin in ovarian carcinoma preclinical models. Biochem Pharmacol. 2018 Jan;147:93-103. doi: 10.1016/j.bcp.2017.11.009. Epub 2017 Nov 16. PubMed PMID: 29155058.

7: Azmi AS, Li Y, Muqbil I, Aboukameel A, Senapedis W, Baloglu E, Landesman Y, Shacham S, Kauffman MG, Philip PA, Mohammad RM. Exportin 1 (XPO1) inhibition leads to restoration of tumor suppressor miR-145 and consequent suppression of pancreatic cancer cell proliferation and migration. Oncotarget. 2017 Jul 17;8(47):82144-82155. doi: 10.18632/oncotarget.19285. eCollection 2017 Oct 10. PubMed PMID: 29137251; PubMed Central PMCID: PMC5669877.

8: Chen Y, Zhang L, Huang J, Hong X, Zhao J, Wang Z, Zhang K. Dasatinib and chemotherapy in a patient with early T-cell precursor acute lymphoblastic leukemia and NUP214-ABL1 fusion: A case report. Exp Ther Med. 2017 Nov;14(5):3979-3984. doi: 10.3892/etm.2017.5046. Epub 2017 Aug 28. PubMed PMID: 29067094; PubMed Central PMCID: PMC5647690.

9: Body S, Esteve-Arenys A, Miloudi H, Recasens-Zorzo C, Tchakarska G, Moros A, Bustany S, Vidal-Crespo A, Rodriguez V, Lavigne R, Com E, Casanova I, Mangues R, Weigert O, Sanjuan-Pla A, Menéndez P, Marcq B, Picquenot JM, Pérez-Galán P, Jardin F, Roué G, Sola B. Cytoplasmic cyclin D1 controls the migration and invasiveness of mantle lymphoma cells. Sci Rep. 2017 Oct 24;7(1):13946. doi: 10.1038/s41598-017-14222-1. PubMed PMID: 29066743; PubMed Central PMCID: PMC5654982.

10: Broccoli A, Argnani L, Zinzani PL. Peripheral T-cell lymphomas: Focusing on novel agents in relapsed and refractory disease. Cancer Treat Rev. 2017 Nov;60:120-129. doi: 10.1016/j.ctrv.2017.09.002. Epub 2017 Sep 18. Review. PubMed PMID: 28946015.

11: Soung YH, Kashyap T, Nguyen T, Yadav G, Chang H, Landesman Y, Chung J. Selective Inhibitors of Nuclear Export (SINE) compounds block proliferation and migration of triple negative breast cancer cells by restoring expression of ARRDC3. Oncotarget. 2017 May 18;8(32):52935-52947. doi: 10.18632/oncotarget.17987. eCollection 2017 Aug 8. PubMed PMID: 28881784; PubMed Central PMCID: PMC5581083.

12: Garg M, Kanojia D, Mayakonda A, Ganesan TS, Sadhanandhan B, Suresh S, S S, Nagare RP, Said JW, Doan NB, Ding LW, Baloglu E, Shacham S, Kauffman M, Koeffler HP. Selinexor (KPT-330) has antitumor activity against anaplastic thyroid carcinoma in vitro and in vivo and enhances sensitivity to doxorubicin. Sci Rep. 2017 Aug 29;7(1):9749. doi: 10.1038/s41598-017-10325-x. PubMed PMID: 28852098; PubMed Central PMCID: PMC5575339.

13: Conforti F, Zhang X, Rao G, De Pas T, Yonemori Y, Rodriguez JA, McCutcheon JN, Rahhal R, Alberobello AT, Wang Y, Zhang YW, Guha U, Giaccone G. Therapeutic Effects of XPO1 Inhibition in Thymic Epithelial Tumors. Cancer Res. 2017 Oct 15;77(20):5614-5627. doi: 10.1158/0008-5472.CAN-17-1323. Epub 2017 Aug 17. PubMed PMID: 28819023.

14: Arango NP, Yuca E, Zhao M, Evans KW, Scott S, Kim C, Gonzalez-Angulo AM, Janku F, Ueno NT, Tripathy D, Akcakanat A, Naing A, Meric-Bernstam F. Selinexor (KPT-330) demonstrates anti-tumor efficacy in preclinical models of triple-negative breast cancer. Breast Cancer Res. 2017 Aug 15;19(1):93. doi: 10.1186/s13058-017-0878-6. PubMed PMID: 28810913; PubMed Central PMCID: PMC5557476.

15: Schaffer M, Chaturvedi S, Davis C, Aquino R, Stepanchick E, Versele M, Liu Y, Yang J, Lu R, Balasubramanian S. Identification of potential ibrutinib combinations in hematological malignancies using a combination high-throughput screen. Leuk Lymphoma. 2017 Jul 28:1-10. doi: 10.1080/10428194.2017.1349899. [Epub ahead of print] PubMed PMID: 28750570.

16: Muz B, Azab F, de la Puente P, Landesman Y, Azab AK. Selinexor Overcomes Hypoxia-Induced Drug Resistance in Multiple Myeloma. Transl Oncol. 2017 Aug;10(4):632-640. doi: 10.1016/j.tranon.2017.04.010. Epub 2017 Jun 29. PubMed PMID: 28668761; PubMed Central PMCID: PMC5496204.

17: Gupta A, Saltarski JM, White MA, Scaglioni PP, Gerber DE. Therapeutic Targeting of Nuclear Export Inhibition in Lung Cancer. J Thorac Oncol. 2017 Sep;12(9):1446-1450. doi: 10.1016/j.jtho.2017.06.013. Epub 2017 Jun 21. PubMed PMID: 28647672; PubMed Central PMCID: PMC5572747.

18: Machlus KR, Wu SK, Vijey P, Soussou TS, Liu ZJ, Shacham E, Unger TJ, Kashyap T, Klebanov B, Sola-Visner M, Crochiere M, Italiano JE Jr, Landesman Y. Selinexor-induced thrombocytopenia results from inhibition of thrombopoietin signaling in early megakaryopoiesis. Blood. 2017 Aug 31;130(9):1132-1143. doi: 10.1182/blood-2016-11-752840. Epub 2017 Jun 19. PubMed PMID: 28630120; PubMed Central PMCID: PMC5580272.

19: Podar K, Pecherstorfer M. Current and developing synthetic pharmacotherapy for treating relapsed/refractory multiple myeloma. Expert Opin Pharmacother. 2017 Aug;18(11):1061-1079. doi: 10.1080/14656566.2017.1340942. Epub 2017 Jul 5. Review. PubMed PMID: 28604120.

20: Tandon N, Kumar SK. Highlights of Multiple Myeloma at the Annual Meeting of American Society of Hematology, 2016. Indian J Hematol Blood Transfus. 2017 Jun;33(2):153-158. doi: 10.1007/s12288-017-0796-x. Epub 2017 Feb 28. Review. PubMed PMID: 28596644; PubMed Central PMCID: PMC5442069.