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492471-10-0

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492471-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 492471-10-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,2,4,7 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 492471-10:
(8*4)+(7*9)+(6*2)+(5*4)+(4*7)+(3*1)+(2*1)+(1*0)=160
160 % 10 = 0
So 492471-10-0 is a valid CAS Registry Number.

492471-10-0Downstream Products

492471-10-0Relevant articles and documents

A facile synthesis of 7,8-di aryl coumarino and flavano benzo-thiophenes

Chandramouli,Prasanna,Naveen Kumar,Vijayakumar Reddy

, p. 511 - 522 (2007/10/03)

The key step for the synthesis of 7-hydroxy 2,3-diarylsubstituted benzothiophenes 5a-f, by starting from substituted 2-aryl-2-((2-methoxy phenyl)thio)acetophenones 3a-f as an intermediate, consists of a Friedel-Crafts cyclization followed by demethylation by Lewis acids like BF3OEt2 and AlCl3 in DCM.

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