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174498-51-2

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174498-51-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174498-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,4,9 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 174498-51:
(8*1)+(7*7)+(6*4)+(5*4)+(4*9)+(3*8)+(2*5)+(1*1)=172
172 % 10 = 2
So 174498-51-2 is a valid CAS Registry Number.

174498-51-2Relevant articles and documents

Diastereoselective reduction of hemiacetals derived from 2,3-o-isopropylidene derivatives of carbohydrate lactones

Jiang, Shende,Singh, Gurdial,Wightman, Richard H.

, p. 67 - 68 (2007/10/03)

Reactions of organomagnesium and/or organolithium reagents with 2,3-O-isopropylidene-D-erythronolactone and 5-O-tertbutyldiphenylsilyl-2,3-O-isopropylidene-D-ribonolactone gave good yields of the corresponding hemiacetals which, by choice of hydride reage

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