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213009-04-2

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213009-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213009-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,0,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 213009-04:
(8*2)+(7*1)+(6*3)+(5*0)+(4*0)+(3*9)+(2*0)+(1*4)=72
72 % 10 = 2
So 213009-04-2 is a valid CAS Registry Number.

213009-04-2Relevant articles and documents

Resolution of 1-(4-amino-3-chloro-5-cyanophenyl)-2-bromo-1-ethanol by lipase mediated enantioselective alcoholysis, hydrolysis and acylation

Conde, Santiago,Fierros, Marta,Rodriguez-Franco, Maria Isabel,Puig, Carles

, p. 2229 - 2232 (2007/10/03)

Resolution of 1-(4-amino-3-chloro-5-cyanophenyl)-2-bromo-1-ethanol has been achieved by ethanol enantioselective lipase-catalysed alcoholysis, hydrolysis and acylation. Although a good enantioselectivity was observed in the three reactions, the best results were obtained by hydrolysis. This α- bromohydrin is an intermediate in the synthesis of a new adrenergic agent.

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