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172700-47-9

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172700-47-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172700-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,0 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 172700-47:
(8*1)+(7*7)+(6*2)+(5*7)+(4*0)+(3*0)+(2*4)+(1*7)=119
119 % 10 = 9
So 172700-47-9 is a valid CAS Registry Number.

172700-47-9Relevant articles and documents

Ligandless Nickel-Catalyzed Ortho-Selective Directed Trifluoromethylthiolation of Aryl Chlorides and Bromides Using AgSCF3

Nguyen, Tin,Chiu, Weiling,Wang, Xinying,Sattler, Madeleine O.,Love, Jennifer A.

, p. 5492 - 5495 (2016)

A mild protocol for Ni-catalyzed trifluoromethylthiolation of aryl chlorides and bromides is described herein. The method utilizes AgSCF3 as an easily accessible nucleophilic trifluoromethylthiolating reagent and does not require any ligands or additives. Ortho-selectivity is achieved using a variety of directing groups such as imines, pyridines, and oxazolines for 24 examples in up to 95% yield.

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