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6988-42-7

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6988-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6988-42-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,8 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6988-42:
(6*6)+(5*9)+(4*8)+(3*8)+(2*4)+(1*2)=147
147 % 10 = 7
So 6988-42-7 is a valid CAS Registry Number.

6988-42-7Relevant articles and documents

β-acarbose. II. The preparation of various carbohydrate trifluoromethanesulfonates

McAuliffe, Joseph C.,Stick, Robert V.

, p. 197 - 202 (2007/10/03)

Three carbohydrate trifluoromethanesulfonates, of potential use in the alkylation of a 1-epivalienamine derivative to produce precursors of β-acarbose, have been prepared from the appropriate alcohols. The conversion of two of these trifluoromethanesulfonates into the primary amine, via the corresponding azide, is also reported.

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