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

MedKoo CAT#: 205816


Description: ARQ-761 is a soluble prodrug of beta-lapachone with potential antineoplastic and radiosensitizing activity. ARQ 761 is converted to beta-lapachone (b-lap) in vivo. When b-lap is activated by NAD(P)H:quinone oxidoreductase-1 (NQO1) this agent creates a futile oxidoreduction, generating highly reactive oxygen species (ROS) that results in DNA damage. The activation of b-lap also causes hyperactivation of poly (ADP-ribose) polymerase-1 (PARP-1), an enzyme that facilitates DNA repair, accompanied by rapid depletion of NAD+/ATP nucleotide levels.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 205816
Name: ARQ-761
Chemical Formula:
Exact Mass:
Molecular Weight:
Elemental Analysis:

Size Price Shipping out time Quantity
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Pricing updated 2021-03-07. Prices are subject to change without notice.

ARQ-761, purity > 98%, is not in stock, 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 to inquire quote.

Synonym: ARQ761; ARQ-761; ARQ 761.

IUPAC/Chemical Name: NONE

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:
>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:

Handling Instructions:

Preparing Stock Solutions

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

Reconstitution Calculator

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4: Nishiyama A, Kobori H, Konishi Y, Morikawa T, Maeda I, Okumura M, Kishida M, Hamada M, Nagai Y, Nakagawa T, Ohashi N, Nakano D, Hitomi H, Imanishi M. Mineralocorticoid receptor blockade enhances the antiproteinuric effect of an angiotensin II blocker through inhibiting podocyte injury in type 2 diabetic rats. J Pharmacol Exp Ther. 2010 Mar;332(3):1072-80. doi: 10.1124/jpet.109.158113. Epub 2009 Nov 25. PubMed PMID: 19940106; PubMed Central PMCID: PMC2835438.

5: Zhang GX, Ohmori K, Nagai Y, Fujisawa Y, Nishiyama A, Abe Y, Kimura S. Role of AT1 receptor in isoproterenol-induced cardiac hypertrophy and oxidative stress in mice. J Mol Cell Cardiol. 2007 Apr;42(4):804-11. Epub 2007 Feb 3. PubMed PMID: 17350036.

6: Dollar A, Brown C, Putnam D, McLaughlin T, Okamoto L, Arocho R. A retrospective electronic chart review of blood pressure changes in elderly patients treated with amlodipine or an angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker. Clin Ther. 2002 Jun;24(6):930-41. PubMed PMID: 12117083.


10mg / Not available

Additional Information