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1279115-99-9

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1279115-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1279115-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,1,1 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1279115-99:
(9*1)+(8*2)+(7*7)+(6*9)+(5*1)+(4*1)+(3*5)+(2*9)+(1*9)=179
179 % 10 = 9
So 1279115-99-9 is a valid CAS Registry Number.

1279115-99-9Relevant articles and documents

Regioselective ester cleavage during the preparation of bisphosphonate methacrylate monomers

Chougrani, Kamel,Niel, Gilles,Boutevin, Bernard,David, Ghislain

, p. 364 - 368 (2011/06/18)

New functional monomers bearing a methacrylate, a bisphosphonate function and, for most, an internal carboxylate group, were prepared for incorporation into copolymers with adhesive or anticorrosive properties. Methanolysis of some trimethylsilyl bisphos-phonate esters not only deprotects the desired bisphosphonate function but also regioselectively cleaves the alkyl ester function without affecting the methacrylate ester.

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