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134521-17-8

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134521-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134521-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,5,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134521-17:
(8*1)+(7*3)+(6*4)+(5*5)+(4*2)+(3*1)+(2*1)+(1*7)=98
98 % 10 = 8
So 134521-17-8 is a valid CAS Registry Number.

134521-17-8Downstream Products

134521-17-8Relevant articles and documents

One-pot transformation of methylarenes into aromatic nitriles with inorganic metal-free reagents

Kawagoe, Yuhsuke,Moriyama, Katsuhiko,Togo, Hideo

, p. 4115 - 4122 (2014)

Various methylarenes were transformed into the corresponding aromatic nitriles in good to moderate yields by the treatment with aq. HBr and aq. H 2O2, followed by reaction with molecular iodine and aq. ammonia in a one-pot procedure. The present reaction is a useful, practical, transition-metal-free, and organic-reagent-free method for the preparation of aromatic nitriles from methylarenes. Various methylarenes were treated with aq. HBr and aq. H2O2 under warming conditions and/or irradiation conditions, followed by the reaction with molecular iodine and aq. ammonia, to provide the corresponding aromatic nitriles, in a one-pot procedure. The present reaction was carried out under metal-free and organic-reagent-free conditions. Copyright

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