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183803-04-5

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183803-04-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183803-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,0 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 183803-04:
(8*1)+(7*8)+(6*3)+(5*8)+(4*0)+(3*3)+(2*0)+(1*4)=135
135 % 10 = 5
So 183803-04-5 is a valid CAS Registry Number.

183803-04-5Downstream Products

183803-04-5Relevant articles and documents

Iodinated biaryls synthesized by the direct dehydrodimerization of iodoarenes using phenyliodine(III) bis(trifluoroacetate) (PIFA)

Mirk, Daniela,Willner, Alexander,Froehlich, Roland,Waldvogel, Siegfried R.

, p. 675 - 681 (2007/10/03)

Multiply iodinated biaryls can be prepared in yields up to 75% by direct oxidative coupling reaction of the iodinated arenes. The PIFA-mediated dehydrodimerization is superior to all other known methods. The developed protocol is reliable and easy to perform.

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