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1321200-93-4

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1321200-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1321200-93-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,2,0 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1321200-93:
(9*1)+(8*3)+(7*2)+(6*1)+(5*2)+(4*0)+(3*0)+(2*9)+(1*3)=84
84 % 10 = 4
So 1321200-93-4 is a valid CAS Registry Number.

1321200-93-4Downstream Products

1321200-93-4Relevant articles and documents

Enantioselective Diels-Alder reactions of enals and alkylidene diketones catalyzed by N-heterocyclic carbenes

Fang, Xinqiang,Chen, Xingkuan,Chi, Yonggui Robin

supporting information; experimental part, p. 4708 - 4711 (2011/10/18)

An electron-withdrawing group was introduced to the α-position of chalcones, and the resulting alkylidene diketones showed new reactivities with enals under the catalysis of N-heterocyclic carbenes (NHCs). Selective activation of enals affords enolate equ

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