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

MedKoo CAT#: 405110

CAS#: 908859-10-9

Description: WK-X-34 is inhibitor of P-glycoprotein and Breast Cancer Resistance Protein (BCRP).

Chemical Structure

CAS# 908859-10-9

Theoretical Analysis

MedKoo Cat#: 405110
Name: WK-X-34
CAS#: 908859-10-9
Chemical Formula: C35H37N3O6
Exact Mass: 595.26824
Molecular Weight: 595.68478
Elemental Analysis: C, 70.57; H, 6.26; N, 7.05; O, 16.12

Size Price Shipping out time Quantity
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Pricing updated 2021-03-01. Prices are subject to change without notice.

WK-X-34 is not in stock, but may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Synonym: WKX34; WKX-34; WKX 34; WK-X-34; WK-X 34; WK-X34.

IUPAC/Chemical Name: N-(2-((4-(2-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)ethyl)phenyl)carbamoyl)phenyl)-3,4-dimethoxybenzamide


InChi Code: InChI=1S/C35H37N3O6/c1-41-30-14-11-25(20-31(30)42-2)34(39)37-29-8-6-5-7-28(29)35(40)36-27-12-9-23(10-13-27)15-17-38-18-16-24-19-32(43-3)33(44-4)21-26(24)22-38/h5-14,19-21H,15-18,22H2,1-4H3,(H,36,40)(H,37,39)


Solid powder

>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).

Soluble in DMSO, not in water

Shelf Life:
>5 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:

Handling Instructions:

Preparing Stock Solutions

The following data is based on the product molecular weight 595.68478 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.

Select a batch to recalculate based on the batch molecular weight:
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

Molarity Calculator

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

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1: Jekerle V, Klinkhammer W, Scollard DA, Breitbach K, Reilly RM, Piquette-Miller M, Wiese M. In vitro and in vivo evaluation of WK-X-34, a novel inhibitor of P-glycoprotein and BCRP, using radio imaging techniques. Int J Cancer. 2006 Jul 15;119(2):414-22. PubMed PMID: 16646006.

2: Jekerle V, Klinkhammer W, Reilly RM, Piquette-Miller M, Wiese M. Novel tetrahydroisoquinolin-ethyl-phenylamine based multidrug resistance inhibitors with broad-spectrum modulating properties. Cancer Chemother Pharmacol. 2007 Jan;59(1):61-9. Epub 2006 Apr 25. PubMed PMID: 16636798.

3: Jekerle V, Wang JH, Scollard DA, Reilly RM, Wiese M, Piquette-Miller M. 99mTc-Sestamibi, a sensitive probe for in vivo imaging of P-glycoprotein inhibition by modulators and mdr1 antisense oligodeoxynucleotides. Mol Imaging Biol. 2006 Nov-Dec;8(6):333-9. PubMed PMID: 16955376.

4: Michaelis M, Selt F, Rothweiler F, Wiese M, Cinatl J Jr. ABCG2 impairs the activity of the aurora kinase inhibitor tozasertib but not of alisertib. BMC Res Notes. 2015 Sep 28;8:484. doi: 10.1186/s13104-015-1405-4. PubMed PMID: 26415506; PubMed Central PMCID: PMC4587578.

5: Liu B, Qiu Q, Zhao T, Jiao L, Hou J, Li Y, Qian H, Huang W. Discovery of novel P-glycoprotein-mediated multidrug resistance inhibitors bearing triazole core via click chemistry. Chem Biol Drug Des. 2014 Aug;84(2):182-91. doi: 10.1111/cbdd.12301. Epub 2014 May 14. PubMed PMID: 24750961.

6: Wu Y, Pan M, Dai Y, Liu B, Cui J, Shi W, Qiu Q, Huang W, Qian H. Design, synthesis and biological evaluation of LBM-A5 derivatives as potent P-glycoprotein-mediated multidrug resistance inhibitors. Bioorg Med Chem. 2016 May 15;24(10):2287-97. doi: 10.1016/j.bmc.2016.03.065. Epub 2016 Apr 1. PubMed PMID: 27073052.