Cas 1046271-82-2,C21H17IO4

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Check Digit Verification of cas no

The CAS Registry Mumber 1046271-82-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,6,2,7 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1046271-82:
(9*1)+(8*0)+(7*4)+(6*6)+(5*2)+(4*7)+(3*1)+(2*8)+(1*2)=132
132 % 10 = 2
So 1046271-82-2 is a valid CAS Registry Number.

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1046271-82-2Relevant articles and documents

Sequential Claisen rearrangement and intramolecular Heck reaction as a route to medium-ring oxacycle-fused heterocycles

Chattopadhyay, Shital K.,Neogi, Kaushik,Singha, Sovan K.,Dey, Rajat

scheme or table, p. 1137 - 1140 (2009/04/05)

A synthetic strategy based on tandem application of Claisen rearrangement and intramolecular Heck reaction as key steps has been developed for the synthesis of various hitherto unknown benzoxocine- and benzoxonine-fused coumarin and quinolone derivatives.

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CAS

1046271-82-2