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MedChemExpress - Model 5,6-Dichlorobenzimidazole riboside - 53-85-0

5,6-Dichlorobenzimidazole riboside (DRB) is a nucleoside analog that inhibits several carboxyl-terminal domain kinases, including casein kinase II and cell cycle-dependent kinases (CDK). 5, 6-dichlorobenzimidazole riboside has antitumor activity. 5, 6-dichlorobenzimidazole riboside can induce apoptosis[1][2][3][4][5][6][7].

5,6-Dichlorobenzimidazole riboside

MCE China：5,6-Dichlorobenzimidazole riboside

Brand：MedChemExpress (MCE)

Cat. No.HY-14392

CAS：53-85-0

Synonyms：DRB

Purity：99.89%

Storage：Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month

Shipping：Room temperature in continental US; may vary elsewhere.

Description：5,6-Dichlorobenzimidazole riboside (DRB) is a nucleoside analog that inhibits several carboxyl-terminal domain kinases, including casein kinase II and cell cycle-dependent kinases (CDK). 5, 6-dichlorobenzimidazole riboside has antitumor activity. 5, 6-dichlorobenzimidazole riboside can induce apoptosis.

In Vitro：5,6-Dichlorobenzimidazole riboside (10-80 μg/mL, 72 h) induces p53-dependent apoptosis of human colon cancer cells by blocking RNA synthesis[5]. 5,6-Dichlorobenzimidazole riboside (10-100 μM, 72 h) induces apoptosis of human MCF-7 breast cancer cells by regulating Mcl-1 and BclxL. And activates members of the caspase family in a time - and dose-dependent manner[6].

In Vivo：5,6-Dichlorobenzimidazole riboside (2.0-3.0 mg/0.25 mL water, intraperitoneally injected twice a day for 5 days) does not inhibit the multiplication of the PR8 strain of influenza virus in mice[7].

References：

[1]. Zandomeni RO. Kinetics of inhibition by 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole on calf thymus casein kinase II. Biochem J. 1989 Sep 1;262(2):469-73. [Content Brief]

[2]. Yankulov K, et al. The transcriptional elongation inhibitor 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole inhibits transcription factor IIH-associated protein kinase. J Biol Chem. 1995 Oct 13;270(41):23922-5. [Content Brief]

[3]. Rickert P, et al. Cyclin C/CDK8 and cyclin H/CDK7/p36 are biochemically distinct CTD kinases. Oncogene. 1999 Jan 28;18(4):1093-102. [Content Brief]

[4]. Schang LM. Cyclin-dependent kinases as cellular targets for antiviral drugs. J Antimicrob Chemother. 2002 Dec;50(6):779-92. [Content Brief]

[5]. te Poele RH, et al. RNA synthesis block by 5, 6-dichloro-1-beta-D-ribofuranosylbenzimidazole (DRB) triggers p53-dependent apoptosis in human colon carcinoma cells. Oncogene. 1999 Oct 14;18(42):5765-72. [Content Brief]

[6]. Kuo YH,et al. 5,6-Dichloro-1-β-D-ribofuranosylbenzimidazole (DRB) induces apoptosis in breast cancer cells through inhibiting of Mcl-1 expression. Sci Rep. 2023 Aug 3;13(1):12621 [Content Brief]

[7]. Kissman H M, et al. Synthesis and biological properties of certain 5, 6-dichlorobenzimidazole ribosides. Journal of the American Chemical Society, 1957, 79(5): 1185-1188

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