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83781-51-5

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83781-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83781-51-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,8 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83781-51:
(7*8)+(6*3)+(5*7)+(4*8)+(3*1)+(2*5)+(1*1)=155
155 % 10 = 5
So 83781-51-5 is a valid CAS Registry Number.

83781-51-5Relevant articles and documents

Syntheses of polycyclic ring systems based on the new generation of o-quinodimethanes

Ito,Nakatsuka,Saegusa

, p. 7609 - 7622 (2007/10/13)

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