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1309456-69-6

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1309456-69-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309456-69-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,4,5 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1309456-69:
(9*1)+(8*3)+(7*0)+(6*9)+(5*4)+(4*5)+(3*6)+(2*6)+(1*9)=166
166 % 10 = 6
So 1309456-69-6 is a valid CAS Registry Number.

1309456-69-6Relevant articles and documents

An efficient pyrrole synthesis via silaphenylmercuric triflate catalyzed cyclization of homopropargyl azides

Yamamoto, Hirofumi,Sasaki, Ikuo,Mitsutake, Mizuho,Karasudani, Ayumi,Imagawa, Hiroshi,Nishizawa, Mugio

, p. 2815 - 2818 (2012/01/05)

A mixture of phenylmercuric acetate and trifluoromethanesulfonic acid or silica gel supported phenylmercuric tri-fluoromethanesulfonate (silaphenyl mercuric triflate) efficiently catalyzed the formation of pyrroles from homopropargyl azide derivatives. The reactions proceed using 20 mol% of the heterogeneous catalyst with yields of isolated pyrroles ranging from 74% to 99%. Georg Thieme Verlag Stuttgart · New York.

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