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198135-56-7

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198135-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198135-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,1,3 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 198135-56:
(8*1)+(7*9)+(6*8)+(5*1)+(4*3)+(3*5)+(2*5)+(1*6)=167
167 % 10 = 7
So 198135-56-7 is a valid CAS Registry Number.

198135-56-7Relevant articles and documents

Regioselective synthesis of functionally congested biaryls through a novel C-C bond formation reaction

Goel, Atul,Singh, Fateh Veer

, p. 5585 - 5587 (2005)

An expeditious synthesis of unsymmetrical biaryls functionalized with electron-withdrawing or -donating substituents is described and illustrated by the carbanion-induced ring transformation of 2H-pyran-2-ones with malononitrile in excellent yields.

A Metal-Free Approach for the Synthesis of 2-Tetralones via Carbanion-Induced Ring Transformation of 2 H -Pyran-2-ones

Shetgaonkar, Samata E.,Singh, Fateh V.

, p. 3540 - 3548 (2018/09/04)

A metal-free, ultrasound-assisted approach for the synthesis of highly functionalized 2-tetralones in high yields is described. The process involves ring transformation of 2 H -pyran-2-ones with the spirocyclic ketone 1,4-cyclohexandione monoethylene keta

Arylanthranilodinitriles: A new biaryl class of antileishmanial agents

Singh, Fateh V.,Vatsyayan, Rit,Roy, Uma,Goel, Atul

, p. 2734 - 2737 (2007/10/03)

A series of anthranilodinitrile-based biaryls were synthesized and evaluated in vitro against extracellular promastigotes and intracellular amastigotes of Leishmania donovani. Among various screened compounds, a biaryl with trifluoromethyl group 5f showed

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