NU7441
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MedKoo CAT#: 406320

CAS#: 503468-95-9

Description: NU7441, also known as KU-57788, is a highly potent and selective DNA-PK inhibitor (IC50=14 nM), exhibiting ATP-competitive inhibition kinetics. NU7441 increased the cytotoxicity of ionizing radiation and etoposide in SW620, LoVo, and V3-YAC cells but not in V3 cells, confirming that potentiation was due to DNA-PK inhibition. NU7441 substantially retarded the repair of ionizing radiation-induced and etoposide-induced DSB.


Chemical Structure

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NU7441
CAS# 503468-95-9

Theoretical Analysis

MedKoo Cat#: 406320
Name: NU7441
CAS#: 503468-95-9
Chemical Formula: C25H19NO3S
Exact Mass: 413.10856
Molecular Weight: 413.49
Elemental Analysis: C, 72.62; H, 4.63; N, 3.39; O, 11.61; S, 7.75

Price and Availability

Size Price Availability Quantity
25.0mg USD 190.0 Same Day
50.0mg USD 350.0 Same Day
100.0mg USD 550.0 Same Day
200.0mg USD 1050.0 Same Day
500.0mg USD 1950.0 Same Day
1.0g USD 2950.0 Same Day
2.0g USD 4850.0 2 Weeks
5.0g USD 7450.0 2 Weeks
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Synonym: NU7441; NU-7441; NU 7441; KU-57788; KU 57788; KU57788

IUPAC/Chemical Name: 8-(4-dibenzothienyl)-2-(4-morpholinyl)-4H-1-benzopyran-4-one

InChi Key: JAMULYFATHSZJM-UHFFFAOYSA-N

InChi Code: InChI=1S/C25H19NO3S/c27-21-15-23(26-11-13-28-14-12-26)29-24-17(6-3-9-20(21)24)19-8-4-7-18-16-5-1-2-10-22(16)30-25(18)19/h1-10,15H,11-14H2

SMILES Code: O=C1C=C(N2CCOCC2)OC3=C(C4=C5C(C6=CC=CC=C6S5)=CC=C4)C=CC=C13

Appearance: Off-white to beige 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

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 14.0 33.9

Preparing Stock Solutions

The following data is based on the product molecular weight 413.49 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: Tichy A, Durisova K, Salovska B, Pejchal J, Zarybnicka L, Vavrova J, Dye NA, Sinkorova Z. Radio-sensitization of human leukaemic MOLT-4 cells by DNA-dependent protein kinase inhibitor, NU7441. Radiat Environ Biophys. 2013 Oct 8. [Epub ahead of print] PubMed PMID: 24100951.

2: Tavecchio M, Munck JM, Cano C, Newell DR, Curtin NJ. Further characterisation of the cellular activity of the DNA-PK inhibitor, NU7441, reveals potential cross-talk with homologous recombination. Cancer Chemother Pharmacol. 2012 Jan;69(1):155-64. doi: 10.1007/s00280-011-1662-4. Epub 2011 Jun 1. PubMed PMID: 21630086.

3: Zhao Y, Thomas HD, Batey MA, Cowell IG, Richardson CJ, Griffin RJ, Calvert AH, Newell DR, Smith GC, Curtin NJ. Preclinical evaluation of a potent novel DNA-dependent protein kinase inhibitor NU7441. Cancer Res. 2006 May 15;66(10):5354-62. PubMed PMID: 16707462.

4: Leahy JJ, Golding BT, Griffin RJ, Hardcastle IR, Richardson C, Rigoreau L, Smith GC. Identification of a highly potent and selective DNA-dependent protein kinase (DNA-PK) inhibitor (NU7441) by screening of chromenone libraries. Bioorg Med Chem Lett. 2004 Dec 20;14(24):6083-7. PubMed PMID: 15546735.

NU7441

25.0mg / USD 190.0


Additional Information