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23361-52-6

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23361-52-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23361-52-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,6 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23361-52:
(7*2)+(6*3)+(5*3)+(4*6)+(3*1)+(2*5)+(1*2)=86
86 % 10 = 6
So 23361-52-6 is a valid CAS Registry Number.

23361-52-6Relevant articles and documents

(E,E)-1,4-Distyrylbenzene and Its Bisepoxy, Bis(dihydroxy), and Bis(dichloromethylene) Derivatives

Yusubov,Filimonov,Ogorodnikov

, p. 81 - 85 (2007/10/03)

Convenient preparative methods for indirect epoxidation and dichlorocyclopropanation of the two exocyclic double bonds in (E,E)-1,4-distyrylbenzene have been proposed. The procedure for epoxidation includes conjugate electrophilic bromination of (E,E)-1,4-distyrylbenzene with N-bromosuccinimide in formic acid, followed by treatment of the addition products with alkali under conditions of phase-transfer catalysis. The procedure also applies to styrene and stilbene derivatives. Dichlorocyclopropanation of (E,E)-1,4-distyrylbenzene smoothly occurs on heating in chloroform in the presence of alkali with no phase-transfer catalyst.

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