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117663-69-1

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117663-69-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117663-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,6 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117663-69:
(8*1)+(7*1)+(6*7)+(5*6)+(4*6)+(3*3)+(2*6)+(1*9)=141
141 % 10 = 1
So 117663-69-1 is a valid CAS Registry Number.

117663-69-1Relevant articles and documents

INVERSE ELECTRON DEMAND DIELS-ALDER REACTIONS OF 2,4,6-TRIS(ETHOXYCARBONYL)-1,3,5-TRIAZINE AND 2,4,6-TRIS(METHYLTHIO)-1,3,5-TRIAZINE: PYRIMIDINE INTRODUCTION

Boger, Dale L.,Dang, Qun

, p. 3379 - 3390 (2007/10/02)

A full investigation of the scope of the participation of 2,4,6-tris(ethoxycarbonyl)-1,3,5-triazine (la) and 2,4,6-tris(methylthio)-1,3,5-triazine (1b) in inverse electron demand Diels-Alder reactions suitable for the preparation of functionalized 5,6-disubstituted pyrimidines is detailed.The use of the resulting cycloadducts as immediate precursors to the parent 4,5-disubstituted pyrimidines is described.

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