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904207-08-5

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904207-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 904207-08-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,2,0 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 904207-08:
(8*9)+(7*0)+(6*4)+(5*2)+(4*0)+(3*7)+(2*0)+(1*8)=135
135 % 10 = 5
So 904207-08-5 is a valid CAS Registry Number.

904207-08-5Upstream product

904207-08-5Downstream Products

904207-08-5Relevant articles and documents

The use of aqueous potassium dichloroiodate for the synthesis of ureas

Viana, Gil Mendes,De Sequeira Aguiar, Lúcia Cruz,De Araújo Ferr?o, Jonas,Simas, Alessandro Bolis Costa,Vasconcelos, Marcela Guariento

, p. 936 - 940 (2013/03/13)

We report a straightforward and efficient reaction protocol for the syntheses of substituted ureas via treatment of thioureas with aqueous potassium dichloroiodate (KICl2). By tuning the reaction condition, thioureas bearing activated N-aryl substituents may undergo either selective oxidation or sequential oxidation and iodination, forming iodoaryl ureas in the latter case.

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