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1227303-72-1

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1227303-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227303-72-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,3,0 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1227303-72:
(9*1)+(8*2)+(7*2)+(6*7)+(5*3)+(4*0)+(3*3)+(2*7)+(1*2)=121
121 % 10 = 1
So 1227303-72-1 is a valid CAS Registry Number.

1227303-72-1Upstream product

1227303-72-1Relevant articles and documents

Synthesis of cyclohexene derivatives from 1,5-enynes via gold-catalysis and iodocyclization: A comparative study and applications in the synthesis of 7/5- or 8/5-fused rings and biaryls

Lee, Youngun,Lim, Choongmin,Kim, Sunghwan,Shin, Seunghoon

experimental part, p. 670 - 677 (2010/08/19)

A comparative study on the Au(I)-catalyzed and IBr-promoted tandem cyclization of 1,5-enyne was reported. This study provides a meaningful mechanistic insight to the concerted nature of this tandem reaction and also provides interesting applications in the synthesis of 7/5- or 8/5-fused bicycles and biaryls.

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