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920317-32-4

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920317-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920317-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,3,1 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 920317-32:
(8*9)+(7*2)+(6*0)+(5*3)+(4*1)+(3*7)+(2*3)+(1*2)=134
134 % 10 = 4
So 920317-32-4 is a valid CAS Registry Number.

920317-32-4Relevant articles and documents

Carborane functionalized pyrroles and porphyrins via the Suzuki cross-coupling reaction

Hao, Erhong,Fronczek, Frank R.,Vicente, M. Graca H.

, p. 4900 - 4902 (2007/10/03)

A new route to carboranylated pyrroles and porphyrins is reported which involves the Suzuki coupling of readily available bromo- and boronic acid-pyrroles and bromoporphyrins with functionalized carboranes; the X-ray structures of two targeted products are presented and discussed. The Royal Society of Chemistry.

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