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142810-46-6

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142810-46-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142810-46-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,1 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142810-46:
(8*1)+(7*4)+(6*2)+(5*8)+(4*1)+(3*0)+(2*4)+(1*6)=106
106 % 10 = 6
So 142810-46-6 is a valid CAS Registry Number.

142810-46-6Downstream Products

142810-46-6Relevant articles and documents

Reaction of organozinc halides with aryl isocyanates

Yang, Haoran,Huang, Danfeng,Wang, Ke-Hu,Xu, Changming,Niu, Teng,Hu, Yulai

, p. 2588 - 2593 (2013)

Reformatsky reagent, benzylzinc bromide or alkylzinc iodides react with aryl isocyanates directly to give corresponding N-substituted carbamates under mild reaction conditions. However, the reaction of allylzinc bromide or propargylzinc bromide with aryl isocyanates produces the corresponding N-substituted amides. The reactions provide alternative methods for the synthesis of N-substituted carbamates or amides.

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