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135618-23-4

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135618-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135618-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,1 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135618-23:
(8*1)+(7*3)+(6*5)+(5*6)+(4*1)+(3*8)+(2*2)+(1*3)=124
124 % 10 = 4
So 135618-23-4 is a valid CAS Registry Number.

135618-23-4Downstream Products

135618-23-4Relevant articles and documents

Reaction of Sulfene with Heterocyclic N,N-Disubstituted &α-Aminomethyleneketones. XI. Synthesis of 1,2-Oxathiino-1-benzoxepin Derivatives

Menozzi, Giulia,Mosti, Luisa,Schenone, Pietro,Cafaggi, Sergio

, p. 937 - 939 (2007/10/02)

The 1,4-cycloaddition of sulfene to N,N-disubstituted (E)-4-aminomethylene-3,4-dihydro-1-benzoxepin-5(2H)-ones gave, generally in excellent yield, N,N-disubstituted 4-amino-3,4,5,6-tetrahydro-1,2-oxathiino-1-benzoxepin 2,2-dioxides, whichare derivatives of the new heterocyclic system 1,2-oxathiino-1-benzoxepin.This reaction did not occur only with the N,N-diphenylenaminone.

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