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17073-94-8

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17073-94-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17073-94-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,7 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17073-94:
(7*1)+(6*7)+(5*0)+(4*7)+(3*3)+(2*9)+(1*4)=108
108 % 10 = 8
So 17073-94-8 is a valid CAS Registry Number.

17073-94-8Relevant articles and documents

A synthetic approach to squalestatin 1

Abdel-Rahman,Adams,Boyes,Kelly,Mansfield,Procoplou,Roberts,Slee,Watson

, p. 1839 - 1841 (2007/10/02)

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Alternative synthesis and regioselective coupling of 1,6-anhydro-2-azido- and -2-phthalimido-2-deoxy-β-D-galactopyranose

Kloosterman, M.,Hey, H. T. de,Wit, D. de,Boom, J. H. van

, p. 229 - 231 (2007/10/02)

Easily accessible 1,6-anhydro-3,4-isopropylidene-β-D-galactopyranose has been converted in four steps (i.e., oxidation, reduction, triflation and Walden inversion with lithium azide or potassium phthalimide) into 1,6-anhydro-2-azido- or -2-phthalimido-2-deoxy-3,4-O-isopropylidene-β-D-galactopyranose.The 2-azido derivative, obtained after acidolysis of the isopropylidene group, could be coupled regioselectively at the hydroxyl group at C-4 with either 1,3,4,6-tetra-O-acetyl-2-phthalimido-2-deoxy-β-D-glucopyranose or 3,4,6-tri-O-acetyl-2-phthalimido-2-deoxy-α-D-glucopyranosyl bromide in the presence of the soluble catalyst, trimethylsilyl trifluoromethanesulphonate, or the insoluble catalyst, silver silicate.

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