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1203584-64-8

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1203584-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1203584-64-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,5,8 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1203584-64:
(9*1)+(8*2)+(7*0)+(6*3)+(5*5)+(4*8)+(3*4)+(2*6)+(1*4)=128
128 % 10 = 8
So 1203584-64-8 is a valid CAS Registry Number.

1203584-64-8Relevant articles and documents

Synthesis of differentially protected glucosamine building blocks and their evaluation as glycosylating agents

Bindschaedler, Pascal,Dialer, Lukas O.,Seeberger, Peter H.

, p. 395 - 420 (2011/06/19)

The modular assembly of heparin oligosaccharides requires glucosamine building blocks with amine protecting groups for α-selective glycosylations that can be readily removed. The synthesis of N-4-nitrobenzensulphonamide (nosyl)- and N-2,4-dinitrophenyl (DNP)-protected glucosamine building blocks and their evaluation as glycosylating agents is described. The N-nosyl-protected glucosamine building blocks were challenging to prepare and their glycosylations resulted in inseparable mixtures of products. The N-DNP-protected glucosamines, however, were readily synthesized and resulted in α-selective couplings to protected l-iduronic acid derivatives.

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