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D-(+)-Glucose


Luckygamer

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I recieved a ball and stick model set for Christmas. I don't understand why this Glucose is named the way it is. I found information on D-Glucose, but nothing with the + in the middle. Is it the same thing?

 

The +/- notation refers to which way the compound rotates plane polarized light, "+" for clockwise and "-" or counter-clockwise. The D/L systems refers to how a compound compares to glyceraldehyde in terms of chirality. The D/L system and +/- systems both refer to the chirality of a compound but there is no correlation between the two.

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