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227201-66-3

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227201-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 227201-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,2,0 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 227201-66:
(8*2)+(7*2)+(6*7)+(5*2)+(4*0)+(3*1)+(2*6)+(1*6)=103
103 % 10 = 3
So 227201-66-3 is a valid CAS Registry Number.

227201-66-3Downstream Products

227201-66-3Relevant articles and documents

Diastereoselective synthesis of atropisomers containing two non-biaryl stereogenic axes: Stereochemical relay through stereogenic centres in dihydrostilbene-2,2′-dicarboxamides

Clayden, Jonathan,Westlund, Neil,Frampton, Christopher S.,Helliwell, Madeleine

, p. 455 - 461 (2008/01/27)

Addition of laterally lithiated tertiary aromatic amides to benzaldimines controls the formation of a new stereogenic centre adjacent to the benzaldimine aromatic ring. Drawing on the fact that such amino-substituted stereogenic centres may themselves con

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