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851108-42-4

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851108-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851108-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,1,0 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 851108-42:
(8*8)+(7*5)+(6*1)+(5*1)+(4*0)+(3*8)+(2*4)+(1*2)=144
144 % 10 = 4
So 851108-42-4 is a valid CAS Registry Number.

851108-42-4Relevant articles and documents

Stereoselective synthesis of 3,4-di-substituted mercaptolactones via photoredox-catalyzed radical addition of thiophenols

Kouser, Farzana,Sharma, Vijay Kumar,Rizvi, Masood,Sultan, Shaista,Chalotra, Neha,Gupta, Vivek K.,Nandi, Utpal,Shah, Bhahwal Ali

, p. 2161 - 2166 (2018)

A visible light mediated radical addition of thiophenols on 4-phenylbut-3-enoic acids to give diastereoselective synthesis of 3,4-disubstituted γ-lactones is reported. The reaction precludes the conventional prerequisite of conjugate addition. Furthermore, the lactones were successfully utilized in the synthesis of γ-ketoamides.

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