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289469-86-9

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289469-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289469-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,4,6 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 289469-86:
(8*2)+(7*8)+(6*9)+(5*4)+(4*6)+(3*9)+(2*8)+(1*6)=219
219 % 10 = 9
So 289469-86-9 is a valid CAS Registry Number.

289469-86-9Relevant articles and documents

Regioselective Radical Arylation of 3-Hydroxypyridines

Fürst, Michael C. D.,Bock, Leonard R.,Heinrich, Markus R.

, p. 5752 - 5758 (2016/07/13)

The titanium(III)-mediated radical arylation of 3-hydroxypyridines was found to proceed with high regioselectivity for the 2-position. Using aryldiazonium chlorides, which were prepared from the corresponding anilines, as aryl radical sources, a range of 3-hydroxy-2-phenylpyridines were obtained in moderate to good yields under simple reaction conditions. Reactions of ortho-carboxylic ester substituted phenyldiazonium salts directly provided tricyclic benzopyranopyridinones.

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