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228850-43-9

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228850-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 228850-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,8,5 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 228850-43:
(8*2)+(7*2)+(6*8)+(5*8)+(4*5)+(3*0)+(2*4)+(1*3)=149
149 % 10 = 9
So 228850-43-9 is a valid CAS Registry Number.

228850-43-9Relevant articles and documents

A convergent, stereocontrolled synthesis of C2-symmetrical and pseudosymmetrical sulfur-tethered bis(amino alcohols)

Aguilar, Nuria,Moyano, Albert,Pericas, Miquel A.,Riera, Antoni

, p. 3913 - 3916 (2007/10/03)

The totally enantiocontrolled preparation of C2-symmetrical and pseudosymmetrical sulfur-tethered bis(amino alcohols) from anti-3-amino-1,2- alkane diols is described. The key step in the synthetic procedure involves the use of triphenylsilanethiol as a sulfide or hydrogenosulfide equivalent in the regioselective nucleophilic ring opening of both anti- and syn- aminoalkyl epoxides.

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