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90348-89-3

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90348-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90348-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,4 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90348-89:
(7*9)+(6*0)+(5*3)+(4*4)+(3*8)+(2*8)+(1*9)=143
143 % 10 = 3
So 90348-89-3 is a valid CAS Registry Number.

90348-89-3Relevant articles and documents

New synthetic approach to phenylmethanesulfonamide derivatives on the basis of Phenyl-N-(2,2,2-trichloroethylidene)-methanesulfonamide

Aizina,Levkovskaya,Rozentsveig

, p. 477 - 480 (2012)

The reaction of N,N-dichlorophenylmethanesulfonamide with trichloroethylene gave a new representative of highly electrophilic N-sulfonyl-substituted polyhalogenated aldehyde imines, phenyl-N-(2,2,2-trichloroethylidene) methanesulfonamide. High reactivity of the product was demonstrated by alkylation of toluene, anisole, thiophene, and 2-chlorothiophene. Pleiades Publishing, Ltd., 2012.

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