The number of chiral carbons present in sucrose is .

Question

Canvas Classes · Accepted Answer

Sucrose is formed by linking -D-glucopyranose and -D-fructofuranose.
Checking explicit stereocenters:
1. -D-glucopyranose ring contains 5 chiral carbons: naturally C1, C2, C3, C4, and C5.
2. -D-fructofuranose ring contains 4 chiral carbons: effectively C2, C3, C4, and C5.
Summing these chiral centers up yields exactly  chiral carbons overall in a standard molecule of sucrose.

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