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200411-12-7

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200411-12-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200411-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,4,1 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 200411-12:
(8*2)+(7*0)+(6*0)+(5*4)+(4*1)+(3*1)+(2*1)+(1*2)=47
47 % 10 = 7
So 200411-12-7 is a valid CAS Registry Number.

200411-12-7Relevant articles and documents

A short and efficient synthesis of 3-diphenylphosphoryl- and 3-diethoxyphosphoryl(aza)isoindolinones: Extension to the sulfonylated analogs

Couture, Axel,Deniau, Eric,Woisel, Patrice,Grandclaudon, Pierre

, p. 1439 - 1445 (2007/10/03)

A variety of 3-diphenylphosphoryl- and 3-diethoxyphosphoryl(aza)isoindolinones have been efficiently prepared by aryne- and hetaryne-mediated cyclization of phosphorylated α-amino carbanions derived from suitably substituted 2- and 3-halobenzamide and 3-chloropyridine-4-carboxamide derivatives. The synthesis of some 3-sulfonylated analogs by extension of this principle has been achieved.

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