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1309773-43-0

1309773-43-0

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1309773-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309773-43-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,7,7 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1309773-43:
(9*1)+(8*3)+(7*0)+(6*9)+(5*7)+(4*7)+(3*3)+(2*4)+(1*3)=170
170 % 10 = 0
So 1309773-43-0 is a valid CAS Registry Number.

1309773-43-0Downstream Products

1309773-43-0Relevant articles and documents

A new approach to fused furan ring systems and benzofurans: Intramolecular cyclization reactions of unsaturated acyloxy sulfone derivatives

Liu, Yuan,Jacobs, Hollie K.,Gopalan, Aravamudan S.

, p. 2935 - 2939 (2011/06/23)

Unsaturated acyloxy sulfones 3 undergo intramolecular cyclization upon deprotonation with LHMDS in THF. Dehydration and double bond isomerization of the products upon exposure to acid, gave the fused ring furans, 4, in good yields. This strategy could be

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