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209287-67-2

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209287-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209287-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,2,8 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 209287-67:
(8*2)+(7*0)+(6*9)+(5*2)+(4*8)+(3*7)+(2*6)+(1*7)=152
152 % 10 = 2
So 209287-67-2 is a valid CAS Registry Number.

209287-67-2Relevant articles and documents

Pd-catalyzed C-arylation of unsaturated compounds with pentavalent triarylantimony dicarboxylates

Moiseev, Dmitry V.,Gushchin, Aleksey V.,Shavirin, Andrey S.,Kursky, Yury A.,Dodonov, Viktor A.

, p. 176 - 184 (2007/10/03)

Triarylantimony (V) derivatives Ar3SbX2 (X = Hal or acyloxy) were prepared by reaction of Ar3Sb with equimolar amounts of a peroxide ROOH (R = t-Bu, H) in the presence of an acid or an anhydride in good to excellent yields. Ar3Sb(O2CR)2 are mild and efficient C-arylation reagents of unsaturated compounds (methyl acrylate, styrene, 2-phenylpropene and acrylonitrile) under palladium catalysis at 50 °C, with PdCl2 being the most effective catalyst. Ar3SbHal2 do not react under these conditions.

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