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15331-81-4

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15331-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15331-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,3 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15331-81:
(7*1)+(6*5)+(5*3)+(4*3)+(3*1)+(2*8)+(1*1)=84
84 % 10 = 4
So 15331-81-4 is a valid CAS Registry Number.

15331-81-4Relevant articles and documents

Studies on the mechanism of the Cadogan-Sundberg indole synthesis

Majgier-Baranowska, Helena,Williams, John D.,Li, Bing,Peet, Norton P.

scheme or table, p. 4785 - 4788 (2012/09/08)

The Cadogan-Sundberg indole synthesis produces two major products from the treatment of 2-nitrostilbenes with triethyl phosphite, which are the 2-arylindoles and the corresponding 2-aryl-N-ethoxyindoles. We were interested in determining the origin of the

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