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69840-48-8

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69840-48-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69840-48-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,4 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69840-48:
(7*6)+(6*9)+(5*8)+(4*4)+(3*0)+(2*4)+(1*8)=168
168 % 10 = 8
So 69840-48-8 is a valid CAS Registry Number.

69840-48-8Relevant articles and documents

Direct C-N coupling of imidazoles and benzylic compounds via iron-catalyzed oxidative activation of C-H bonds

Xia, Qinqin,Chen, Wanzhi,Qiu, Huayu

experimental part, p. 7577 - 7582 (2011/11/12)

Iron-catalyzed direct C-N bond formation between imidazoles and benzylic hydrocarbons is described. The reaction utilizes an inexpensive iron catalyst-oxidant system that is suitable for the coupling of a range of benzylic C-H bonds with various imidazoles.

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