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1501971-58-9

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1501971-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1501971-58-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,0,1,9,7 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1501971-58:
(9*1)+(8*5)+(7*0)+(6*1)+(5*9)+(4*7)+(3*1)+(2*5)+(1*8)=149
149 % 10 = 9
So 1501971-58-9 is a valid CAS Registry Number.

1501971-58-9Relevant articles and documents

Collective synthesis of 4-hydroxy-2-pyridone alkaloids and their antiproliferation activities

Ding, Feiqing,Leow, Min Li,Ma, Jimei,William, Ronny,Liao, Hongze,Liu, Xue-Wei

supporting information, p. 2548 - 2554 (2014/10/15)

A collective synthesis of 4-hydroxy-2-pyridone alkaloids - specifically, pretenellin B, prebassianin B, farinosone A, militarione D, pyridovericin, and torrubiellone C - has been achieved. Key steps include using a strategic convergent method to synthesize the densely substituted pyridone key intermediate by Suzuki-Miyaura cross-coupling reaction, a divergent synthesis approach of target molecules by aldol condensation of pyridone intermediate with homologous aldehydes, and an iterative synthesis of homologous aldehydes with all-trans-polyene backbones. Interestingly, among the six tumor cell lines investigated, torrubiellone C was found to induce potent and apoptotic inhibitory activities on Jurkat T cells with IC50 values of 7.05 μM. Hence, this approach could potentially contribute to the synthesis of bioactive small-molecule libraries as well as drug discovery.

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