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Assigning CIP Notation 1

Select a problem from the list on the right. When the Show Problem button is pressed a structural formula will be displayed in the drawing window. If the structure has a stereogenic center, assign the configuration as R or S. If the structure is achiral, check that button. To evaluate your answer click the Check Answer button; numbers indicating the CIP priority order of substituents at the stereogenic center will be displayed (1 = highest priority, 4 = lowest).



 Achiral
R Configuration
S Configuration


Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10

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