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1422736-31-9

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1422736-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422736-31-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,7,3 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1422736-31:
(9*1)+(8*4)+(7*2)+(6*2)+(5*7)+(4*3)+(3*6)+(2*3)+(1*1)=139
139 % 10 = 9
So 1422736-31-9 is a valid CAS Registry Number.

1422736-31-9Downstream Products

1422736-31-9Relevant articles and documents

Selective O-difluoromethylation of 1,3-diones using S-(difluoromethyl) sulfonium salt

Liu, Guo-Kai,Li, Xin,Qin, Wen-Bing,Lin, Wei-Feng,Lin, Li-Ting,Chen, Jia-Yi,Liu, Jian-Jian

, p. 1515 - 1518 (2019/04/17)

A facile and highly efficient approach for selective O-difluoromethylation of 1,3-diones by recently developed bench-stable S-(difluoromethyl)sulfonium salt was described. And a broad range of difluoromthyl enol ethers were readily accessed in good to exc

A new method for the synthesis of difluoromethyl enol ethers by O-difluoromethylation of 1,3-diones with ClCF2CO2Et

Lin, Xiaoxi,Weng, Zhiqiang

, p. 3432 - 3437 (2015/03/18)

A facile, efficient, single-step protocol for the synthesis of difluoromethyl enol ether derivatives by O-difluoromethylation of 1,3-diones via in situ generation of difluorocarbene from ClCF2CO2Et has been developed. The functional group tolerance, scalability of the reaction, and mild reaction conditions make it an attractive protocol for the synthesis of biologically relevant difluoromethyl ethers of interest to the pharmaceutical and agrochemical industries.

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