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1236306-43-6

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1236306-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1236306-43-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,3,0 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1236306-43:
(9*1)+(8*2)+(7*3)+(6*6)+(5*3)+(4*0)+(3*6)+(2*4)+(1*3)=126
126 % 10 = 6
So 1236306-43-6 is a valid CAS Registry Number.

1236306-43-6Downstream Products

1236306-43-6Relevant articles and documents

Synthesis and antitumor activities of novel 1,4-disubstituted phthalazine derivatives

Zhang, Shulan,Zhao, Yanfang,Liu, Yajing,Chen, Dong,Lan, Weihuan,Zhao, Qiaoling,Dong, Chengcheng,Xia, Lin,Gong, Ping

experimental part, p. 3504 - 3510 (2010/08/06)

In an attempt to develop potent and selective antitumor agents,a series of novel 1,4-disubstituted phthalazine derivatives was designed and synthesized. All the prepared compounds were screened for their cytotoxic activities against A549,HT-29 and MDA-MB-231 cell lines in vitro. Among them,seven compounds (7a7e,7j and 7i) displayed excellent selectivity for MDA-MB-231 cells with IC50 values in the nM range,a desirable range for pharmacological testing. The most promising compound,7a (IC50 = 3.79 μ M,2.32 μ M,0.84 nM),was 5.6-,10.8-and 6.9 × 104-times more active than PTK-787 (IC50 = 21.16 μ M,22.11 μ M,57.72 μ M),respectively.

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