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912971-79-0

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912971-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 912971-79-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,9,7 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 912971-79:
(8*9)+(7*1)+(6*2)+(5*9)+(4*7)+(3*1)+(2*7)+(1*9)=190
190 % 10 = 0
So 912971-79-0 is a valid CAS Registry Number.

912971-79-0Upstream product

912971-79-0Relevant articles and documents

Practical, modular, and general synthesis of 3-coumaranones through gold-catalyzed intermolecular alkyne oxidation strategy

Shu, Chao,Liu, Rongfu,Liu, Shuang,Li, Jian-Qiao,Yu, Yong-Fei,He, Qiao,Lu, Xin,Ye, Long-Wu

supporting information, p. 91 - 95 (2015/02/19)

A gold-catalyzed intermolecular alkyne oxidation for the preparation of 3-coumaranones has been developed. Using 8-isopropylquinoline N-oxides as oxidants, the reactions of o-ethynylanisoles afford versatile 3-coumaranones in moderate to good isolated yields. The synthetic utility of this chemistry is also indicated by the synthesis of the natural product sulfuretin.

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