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259739-83-8

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259739-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 259739-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,7,3 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 259739-83:
(8*2)+(7*5)+(6*9)+(5*7)+(4*3)+(3*9)+(2*8)+(1*3)=198
198 % 10 = 8
So 259739-83-8 is a valid CAS Registry Number.

259739-83-8Relevant articles and documents

Regiospecific carbonylative annulation of iodophenol acetates and acetylenes to construct the flavones by a new catalyst of palladium-thiourea-dppp complex

Miao, Hua,Yang, Zhen

, p. 1765 - 1768 (2000)

(matrix presented) Regiospecific carbonylative annulation of o-iodophenol acetates and acetylenes mediated by palladium-thiourea-dppp complex in the presence of base at 40°C under a balloon pressure of CO generates diversified flavones in high yields. This newly developed synthetic technology provides a highly efficient method for potential application to the combinatorial synthesis of those heterocycles on the solid support.

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