# I was asked to draw (S)-5-heptyn-3amine I know how to draw it, but , what does the

(S)-5-heptyn-3amine
I know how to draw it, but , what does the (S), means!

 DrBob1 Posts: 425, Reputation: 445 Full Member #2 Apr 30, 2011, 03:45 PM
Check your textbook index for ABSOLUTE CONFIGURATION. R and S are designations determined by the Cahn, Ingold, Prelog priority rules. They tell if the molecule is the right hand or left hand steeoisomer.

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