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81751-07-7

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81751-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81751-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,5 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81751-07:
(7*8)+(6*1)+(5*7)+(4*5)+(3*1)+(2*0)+(1*7)=127
127 % 10 = 7
So 81751-07-7 is a valid CAS Registry Number.

81751-07-7Relevant articles and documents

Synthetic Studies on 5-(3,4-Dimethoxyphenyl)-5,6-dihydrophenanthridin-6-ol an Analogue of Perloline

Clarke, Stuart I.,Prager, Rolf H.

, p. 1645 - 1653 (2007/10/02)

Two independent syntheses of the title compound (2), an analogue of perloline, are described. 9-(3,4-Dimethoxyphenyl)fluoren-9-ol reacted with hydrazoic acid in poliphosphoric acid to give 6-(3,4-dimethoxyphenyl)phenanthridine, the N-oxide of which was ph

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