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897961-91-0

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897961-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 897961-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,7,9,6 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 897961-91:
(8*8)+(7*9)+(6*7)+(5*9)+(4*6)+(3*1)+(2*9)+(1*1)=260
260 % 10 = 0
So 897961-91-0 is a valid CAS Registry Number.

897961-91-0Relevant articles and documents

Substrate stereocontrol in bromine-induced intermolecular cyclization: Asymmetric synthesis of pitavastatin calcium

Chen, Weiqi,Xiong, Fangjun,Liu, Qian,Xu, Lingjun,Wu, Yan,Chen, Fener

, p. 4730 - 4737 (2015/07/27)

A novel approach to synthesize pitavastatin calcium (1), an effective HMG-CoA reductase inhibitor, based on readily available and attractively functionalized (R)-3-chloro-1,2-propanediol is reported. This work highlights an intermolecular diastereoselective bromine-induced cyclization of homoallylic carbonate to meet stereochemical challenges in the synthesis of statins. An efficient route to a new triphenylphosphonium tetrafluoroborate salt of a quinoline core is also presented.

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