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1229516-64-6

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1229516-64-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229516-64-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,5,1 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1229516-64:
(9*1)+(8*2)+(7*2)+(6*9)+(5*5)+(4*1)+(3*6)+(2*6)+(1*4)=156
156 % 10 = 6
So 1229516-64-6 is a valid CAS Registry Number.

1229516-64-6Relevant articles and documents

Optional synthesis of 2- OR 5-substituted 3-bromopyrroles via bromine-lithium exchange of N-benzenesulfonyl-2,4-dibromopyrrole

Fukuda, Tsutomu,Iwao, Masatomo

, p. 1261 - 1273 (2012)

The regioselective bromine-lithium exchange of N-benzenesulfonyl-2,4- dibromopyrrole (6) with n-BuLi followed by treatment with various electrophiles gave 5-substituted 3-bromopyrroles (5) in excellent yields. In contrast, the sequential treatment of 6 wi

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