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85969-21-7

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85969-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85969-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,9,6 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85969-21:
(7*8)+(6*5)+(5*9)+(4*6)+(3*9)+(2*2)+(1*1)=187
187 % 10 = 7
So 85969-21-7 is a valid CAS Registry Number.

85969-21-7Downstream Products

85969-21-7Relevant articles and documents

p-Methoxybenzoylmethylium Hexafluoroantimonate: the First Isolatable Carbonyl-substituted Carbenium Ion Salt

Takeuchi, Ken'ichi,Kitagawa, Toshikazu,Okamoto, Kunio

, p. 7 (1983)

The title compound (p-MeOC6H4)2(p-MeOC6H4CO)C+SbF6- has been prepared as a stable crystalline salt from the corresponding chloride and silver hexafluoroantimonate; when heated in 1,2-dichloroethane this cation affords 2,3-bis-(p-methoxyphenyl)-6-methoxybenzofuran (5) via cyclization.

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