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108782-57-6

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108782-57-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108782-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,7,8 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108782-57:
(8*1)+(7*0)+(6*8)+(5*7)+(4*8)+(3*2)+(2*5)+(1*7)=146
146 % 10 = 6
So 108782-57-6 is a valid CAS Registry Number.

108782-57-6Relevant articles and documents

Dioxolanylium Ions Derived from Carbohydrates. X. Nucleophilic trans Opening with the Trichloroacetimidoyl Neighbouring Group

Jacobsen, Steffen

, p. 493 - 497 (2007/10/02)

Oxidation of 3,4-O-benzylidene-galactosan substituted with trichloroacetimidoyl group at O-2 gives a 3,4-fused 1,3-dioxolanylium ion which rearranges to a 2,3-fused 1,3-oxazoline of the gulo configuration, thus bringing about substitution with a nitrogen nucleophile at C-3.Hydrolysis of the resulting relatively stable cyclic trichloroacetimidate under different conditions is shown to give access to a number of selectively protected aminosugar derivatives as well as the free and peracylated compounds.

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