Encequidar, HCl

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

MedKoo CAT#: 576320

CAS#: 849675-88-3 (HCl)

Description: Encequidar, also known as HM-30181, is an oral P-glycoprotein (P-gp) inhibitor developed to enhance the oral bioavailability of P-gp substrate drugs. Encequidar showed the highest potency (IC(50)=0.63nM) among several MDR1 inhibitors, including cycloporin A, XR9576, and GF120918, and effectively blocked transepithelial transport of paclitaxel in MDCK monolayers (IC(50)=35.4nM). Encequidar is currently under clinical trials.


Chemical Structure

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Encequidar, HCl
CAS# 849675-88-3 (HCl)

Theoretical Analysis

MedKoo Cat#: 576320
Name: Encequidar, HCl
CAS#: 849675-88-3 (HCl)
Chemical Formula: C38H37ClN6O7
Exact Mass: 724.2412
Molecular Weight: 725.2
Elemental Analysis: C, 62.94; H, 5.14; Cl, 4.89; N, 11.59; O, 15.44

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 @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Related CAS #: 849675-66-7 (free base)   849675-87-2 (mesylate)   849675-88-3 (HCl)    

Synonym: Encequidar HCl; Encequidar hydrochloride; HM-30181; HM30181; HM 30181;

IUPAC/Chemical Name: 4H-1-Benzopyran-2-carboxamide, N-(2-(2-(4-(2-(3,4-dihydro-6,7-dimethoxy-2(1H)-isoquinolinyl)ethyl)phenyl)-2H-tetrazol-5-yl)-4,5-dimethoxyphenyl)-4-oxo-, monohydrochloride

InChi Key: KAQQJKZDBBMBEZ-UHFFFAOYSA-N

InChi Code: InChI=1S/C38H36N6O7.ClH/c1-47-32-17-24-14-16-43(22-25(24)18-33(32)48-2)15-13-23-9-11-26(12-10-23)44-41-37(40-42-44)28-19-34(49-3)35(50-4)20-29(28)39-38(46)36-21-30(45)27-7-5-6-8-31(27)51-36;/h5-12,17-21H,13-16,22H2,1-4H3,(H,39,46);1H

SMILES Code: Cl.COc1cc2CCN(CCc3ccc(cc3)n4nnc(n4)c5cc(OC)c(OC)cc5NC(=O)C6=CC(=O)c7ccccc7O6)Cc2cc1OC

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: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

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 725.2 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: Cha YJ, Lee H, Gu N, Kim TE, Lim KS, Yoon SH, Chung JY, Jang IJ, Shin SG, Yu KS, Cho JY. Sustained Increase in the Oral Bioavailability of Loperamide after a Single Oral Dose of HM30181, a P-glycoprotein Inhibitor, in Healthy Male Participants. Basic Clin Pharmacol Toxicol. 2013 Jul 6. doi: 10.1111/bcpt.12108. [Epub ahead of print] PubMed PMID: 23829508.

2: Bauer F, Wanek T, Mairinger S, Stanek J, Sauberer M, Kuntner C, Parveen Z, Chiba P, Müller M, Langer O, Erker T. Interaction of HM30181 with P-glycoprotein at the murine blood-brain barrier assessed with positron emission tomography. Eur J Pharmacol. 2012 Dec 5;696(1-3):18-27. doi: 10.1016/j.ejphar.2012.09.013. Epub 2012 Sep 26. PubMed PMID: 23022332; PubMed Central PMCID: PMC3690544.

3: Kim TE, Gu N, Yoon SH, Cho JY, Park KM, Shin SG, Jang IJ, Yu KS. Tolerability and pharmacokinetics of a new P-glycoprotein inhibitor, HM30181, in healthy Korean male volunteers: single- and multiple-dose randomized, placebo-controlled studies. Clin Ther. 2012 Feb;34(2):482-94. doi: 10.1016/j.clinthera.2012.01.003. Epub 2012 Jan 28. PubMed PMID: 22284902.

4: Kwak JO, Lee SH, Lee GS, Kim MS, Ahn YG, Lee JH, Kim SW, Kim KH, Lee MG. Selective inhibition of MDR1 (ABCB1) by HM30181 increases oral bioavailability and therapeutic efficacy of paclitaxel. Eur J Pharmacol. 2010 Feb 10;627(1-3):92-8. doi: 10.1016/j.ejphar.2009.11.008. Epub 2009 Nov 10. PubMed PMID: 19903471.