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213963-99-6

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213963-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213963-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,9,6 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 213963-99:
(8*2)+(7*1)+(6*3)+(5*9)+(4*6)+(3*3)+(2*9)+(1*9)=146
146 % 10 = 6
So 213963-99-6 is a valid CAS Registry Number.

213963-99-6Downstream Products

213963-99-6Relevant articles and documents

A Novel Route to the Synthesis of 2-Cyclohexylideneamino-5-arylimino-3-oxo-1,2,4-thiadiazolidines

Singh,Choubey,Bhattacharya

, p. 430 - 431 (2007/10/03)

A series of 2-cyclohexylideneamino-5-arylimino-3-oxo-1,2,4-thiadiazolidines (3a-e) have been synthesised by the oxidative cyclodehydrogenation of the related 1-aryl-5-(cyclohexylideneamino)-2,4-thiobiurets (1a-e) obtained by the condensation of cyclohexanonese-micarbazone and aryl isothiocyanates. Compounds 3a-e have also been obtained alternatively by the oxidative debenzylation of the corresponding 1-aryl-5-(cyclohexylideneamino)-2-5-benzyliso-2,4-thiobiurets (2a-e) with bromine in chloroform. The latter being obtained by the benzylation of (1a-e).

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