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111878-16-1

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111878-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111878-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,7 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111878-16:
(8*1)+(7*1)+(6*1)+(5*8)+(4*7)+(3*8)+(2*1)+(1*6)=121
121 % 10 = 1
So 111878-16-1 is a valid CAS Registry Number.

111878-16-1Downstream Products

111878-16-1Relevant articles and documents

Regioselective Acylation of 1,4:3,6-Dianhydro-D-glucitol

Stoss, Peter,Merrath, Peter,Schlueter, Guenther

, p. 174 - 176 (2007/10/02)

Acylation of 1,4:3,6-dianhydro-D-glucitol with anhydrides in the presence of heavy metal salts affords 5-endo-acylates with high regioselectivity, without detectable amounts of the isomeric 2-acylates.Acyl group migration occurs with preference for the 2-exo-position, on heating an acylation mixture, which contains varying amounts of 1,4:3,6-dianhydro-D-glucitol, 2- and 5-monoacylate and 2,5-diacylate, in the presence of reesterification catalysts and whilst distilling off the lower boiling 2-acylate.

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