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56569-34-7

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56569-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56569-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,6 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56569-34:
(7*5)+(6*6)+(5*5)+(4*6)+(3*9)+(2*3)+(1*4)=157
157 % 10 = 7
So 56569-34-7 is a valid CAS Registry Number.

56569-34-7Relevant articles and documents

Donnees complementaires sur la conversion des phospholes en phosphorines

Alcaraz, Jean-Marie,Deschamps, Eliane,Mathey, Francois

, p. 45 - 60 (2007/10/02)

The synthesis of 2-phenylphosphorin from 1-benzylphosphole by reaction with benzoyl chloride, followed by sulfurization and pyrolysis with nickel powder at around 170-200 deg C is described.In order to prepare some unknown 4-acylphosphorins, we have also

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