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1644257-79-3

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1644257-79-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1644257-79-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,4,2,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1644257-79:
(9*1)+(8*6)+(7*4)+(6*4)+(5*2)+(4*5)+(3*7)+(2*7)+(1*9)=183
183 % 10 = 3
So 1644257-79-3 is a valid CAS Registry Number.

1644257-79-3Relevant articles and documents

Synthesis of spirocyclic enones by rhodium-catalyzed dearomatizing oxidative annulation of 2-alkenylphenols with alkynes and enynes

Kujawa, Szymon,Best, Daniel,Burns, David J.,Lam, Hon Wai

supporting information, p. 8599 - 8602 (2014/07/21)

The dearomatizing oxidative annulation of 2-alkenylphenols with alkynes and enynes proceeds with high yields and regioselectivities under RhIII catalysis. These reactions are successful using Cu(OAc)2 or air as the stoichiometric oxi

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