Cas 507233-72-9,2-(4'-methoxyphenyl)ethyl-3,4-dimethylphosphacymantrene

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Check Digit Verification of cas no

The CAS Registry Mumber 507233-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,7,2,3 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 507233-72:
(8*5)+(7*0)+(6*7)+(5*2)+(4*3)+(3*3)+(2*7)+(1*2)=129
129 % 10 = 9
So 507233-72-9 is a valid CAS Registry Number.

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507233-72-9Relevant academic research and scientific papers

Electrophilic alkylation of electron-rich arenes by phosphacymantrenylcarbenium ions

Toullec, Patrick,Ricard, Louis,Mathey, Francois

, p. 1340 - 1342 (2003)

Phosphacymantren-2-ylcarbinol 1 is transformed into the corresponding carbenium ion by reaction with AlCl3 in CH2Cl2 at 0°C. This ion is able to alkylate ferrocene and electron-rich arenes such as anisole and 1,3-dimethoxy

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