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142397-93-1

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142397-93-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142397-93-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,9 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142397-93:
(8*1)+(7*4)+(6*2)+(5*3)+(4*9)+(3*7)+(2*9)+(1*3)=141
141 % 10 = 1
So 142397-93-1 is a valid CAS Registry Number.

142397-93-1Relevant articles and documents

Photoinduced Electron Transfer in Porphyrin-Quinone Cyclophanes, 6. - Porphyrin-Quinone Cyclophanes with Gradually Varied Acceptor Strength: Syntheses and Characterizations

Staab, Heinz A.,Weiser, Juergen,Futscher, Michael,Voit, Guido,Rueckemann, Andreas,Anders, Christine

, p. 2285 - 2302 (2007/10/02)

For studying intramolecular electron-transfer reactions, three groups of double- and single-bridged porphyrin-quinone cyclophanes 1-4, 5-9, and 11-14, resp., with gradual variation of quinone acceptor strengths were synthesized.As key intermediates for bu

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