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76820-26-3

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76820-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76820-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,2 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 76820-26:
(7*7)+(6*6)+(5*8)+(4*2)+(3*0)+(2*2)+(1*6)=143
143 % 10 = 3
So 76820-26-3 is a valid CAS Registry Number.

76820-26-3Relevant articles and documents

A Simple and Efficient Synthetic Route to Benzophenanthridines

Seraphin, Denis,Lynch, Michael A.,Duval, Olivier

, p. 5731 - 5734 (1995)

The benzophenanthridine nucleus has been prepared in an overall yield of 52-58percent in five stages.Synthetic route employs as key steps the intramolecular cyclisation of vinyl alcohols followed by a novel one pot double oxidation using iodine in etha

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