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93279-67-5

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93279-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93279-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,2,7 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93279-67:
(7*9)+(6*3)+(5*2)+(4*7)+(3*9)+(2*6)+(1*7)=165
165 % 10 = 5
So 93279-67-5 is a valid CAS Registry Number.

93279-67-5Relevant articles and documents

A High-Yield Modification of the Pschorr Phenanthrene Synthesis

Duclos, Richard I.,Tung, Jay S.,Rapoport, Henry

, p. 5243 - 5246 (1984)

A relationship between substituents on the aryl ring undergoing homolytic aromatic substitution and the yield of Pschorr reaction product has been demonstrated.The new variation in which a (phenylsulfonyl)oxy group is present on the acceptor ring has been used to synthesize several highly oxygenated 9-phenanthrenecarboxylic acids in significantly improved yields.

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