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656251-92-2

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656251-92-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 656251-92-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,2,5 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 656251-92:
(8*6)+(7*5)+(6*6)+(5*2)+(4*5)+(3*1)+(2*9)+(1*2)=172
172 % 10 = 2
So 656251-92-2 is a valid CAS Registry Number.

656251-92-2Relevant articles and documents

Total Synthesis of Hamigerans and Analogues Thereof. Photochemical Generation and Diels-Alder Trapping of Hydroxy-o-quinodimethanes

Nicolaou,Gray, David L. F.,Tae, Jinsung

, p. 613 - 627 (2007/10/03)

A number of naturally occurring substances, including hamigerans, contain ring systems which are fused to an aromatic nucleus. A general and streamlined method for the construction of such benzannulated bi- and polycyclic carbon frameworks has been develo

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