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78258-85-2

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78258-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78258-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78258-85:
(7*7)+(6*8)+(5*2)+(4*5)+(3*8)+(2*8)+(1*5)=172
172 % 10 = 2
So 78258-85-2 is a valid CAS Registry Number.

78258-85-2Relevant articles and documents

A Convenient Synthesis of α,α'-Bis(substitutedbenzylidene)cycloalkanones

Nakano, Taichi,Migita, Toshihiko

, p. 2157 - 2158 (1993)

The Cp2TiPh2-catalyzed reaction of cyclopentanone or cyclohexanones with benzaldehydes brought about the cross-aldol condensation to give the corresponding 2,5-bis(substitutedbenzylidene)cyclopentanones or 2,6-bis(substitutedbenzylidene)cyclohexanones in good yields under milder conditions than those previously reported.

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