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920947-19-9

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920947-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920947-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,9,4 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 920947-19:
(8*9)+(7*2)+(6*0)+(5*9)+(4*4)+(3*7)+(2*1)+(1*9)=179
179 % 10 = 9
So 920947-19-9 is a valid CAS Registry Number.

920947-19-9Downstream Products

920947-19-9Relevant academic research and scientific papers

2-Aminopyrrole-2,5-diones 2.* vinyl nucleophilic substitution of the alkylamino group in 1-alkyl-3-alkylaminopyrrole-2,5-diones by arylamines

Chepyshev,Chepysheva,Ryabitskii,Prosyanik

, p. 523 - 529 (2008)

In vinyl nucleophilic substitution (SNvin) with the hydrochlorides or 4-toluenesulfonates of primary arylamines 1-alkyl-3- alkylaminopyrrole-2,5-diones form the corresponding 1-alkyl-3-arylamino-pyrrole- 2,5-diones, which are also produced in s

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