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113490-17-8

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113490-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113490-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,4,9 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 113490-17:
(8*1)+(7*1)+(6*3)+(5*4)+(4*9)+(3*0)+(2*1)+(1*7)=98
98 % 10 = 8
So 113490-17-8 is a valid CAS Registry Number.

113490-17-8Relevant articles and documents

1,4- and 1,5-Stereoselection by Sequential Aldol Addition to α,β-Unsaturated Aldehydes Followed by Claisen Rearrangement. Application to Total Synthesis of the Vitamin E Side Chain and the Archaebacterial C40 Diol

Heathcock, Clayton H.,Finkelstein, Bruce L.,Jarvi, Esa T.,Radel, Peggy A.,Hadley, Cheri H.

, p. 1922 - 1942 (2007/10/02)

A synthetic strategy has been developed wherein the high 1,2-stereoselection obtainable from aldol reaction of an α,β-unsaturated aldehyde is parlayed by a subsequent Claisen rearrangement into 1,4- or 1,5-stereoselection.For example, diol monoethers 26 a

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