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1254975-19-3

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1254975-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1254975-19-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,9,7 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1254975-19:
(9*1)+(8*2)+(7*5)+(6*4)+(5*9)+(4*7)+(3*5)+(2*1)+(1*9)=183
183 % 10 = 3
So 1254975-19-3 is a valid CAS Registry Number.

1254975-19-3Downstream Products

1254975-19-3Relevant articles and documents

Visible-Light-Promoted Activation of Unactivated C(sp3)-H Bonds and Their Selective Trifluoromethylthiolation

Mukherjee, Satobhisha,Maji, Biplab,Tlahuext-Aca, Adrian,Glorius, Frank

, p. 16200 - 16203 (2016)

Selective functionalization of ubiquitous C(sp3)-H bonds using visible light is a highly challenging yet desirable goal in organic synthesis. The development of such processes relies on both rational design and serendipitous discoveries from innovative tools such as screening technologies. Applying a mechanism-based screening strategy, we herein report photoredox-mediated hydrogen atom transfer catalysis for the selective activation of otherwise unactivated C(sp3)-H bonds, followed by their trifluoromethylthiolation, which has high potential as a late-stage functionalization tool. The generality of this method is exhibited through incorporation of the trifluoromethylthio group in a large number of C(sp3)-H bonds with high selectivity without the need for an excess of valuable substrate.

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