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519753-07-2

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519753-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 519753-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,9,7,5 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 519753-07:
(8*5)+(7*1)+(6*9)+(5*7)+(4*5)+(3*3)+(2*0)+(1*7)=172
172 % 10 = 2
So 519753-07-2 is a valid CAS Registry Number.

519753-07-2Relevant articles and documents

Further developments in the synthesis of lamellarin alkaloids via direct metal-halogen exchange

Ploypradith, Poonsakdi,Jinaglueng, Wiyada,Pavaro, Chitkavee,Ruchirawat, Somsak

, p. 1363 - 1366 (2007/10/03)

Direct metal-halogen exchange of 2-bromopyrrole carbonate derivatives with tert-butyllithium followed by the intramolecular lactonization of the resulting 2-pyrrole anion onto the carbonate provided the corresponding lamellarins in moderate to good yield.

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