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131940-35-7

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131940-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131940-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,4 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131940-35:
(8*1)+(7*3)+(6*1)+(5*9)+(4*4)+(3*0)+(2*3)+(1*5)=107
107 % 10 = 7
So 131940-35-7 is a valid CAS Registry Number.

131940-35-7Relevant articles and documents

Pd-catalyzed C-H Arylation: A General Route for the Synthesis of Benzo[b]carbazolenaphthoquinones

Mandal, Arabinda,Mondal, Suresh Kumar,Jana, Akash,Manna, Susanta Kumar,Ali, Sk Asraf,Samanta, Shubhankar

, p. 2529 - 2535 (2017/07/25)

A short, efficient and general methodology for benzo[b]carbazolenaphthoquinones was developed via Pd-catalyzed C-H arylation process. This methodology was successfully applied to the synthesis of highly biologically active compound 5H–benzo[b]carbazole-6,

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