(+)-Lactose

CAS Registry Number®

63-42-3
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CAS Name

(+)-Lactose

Molecular Formula

C12H22O11

Molecular Mass

342.30

Cite this Page

(+)-Lactose.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=63-42-3 (retrieved 2024-04-20) (CAS RN: 63-42-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    201-202 °C
  • Density (2)

    1.52 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C12H22O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h1,4-12,14-21H,2-3H2/t4-,5+,6+,7+,8-,9-,10+,11+,12-/m0/s1

InChIKey

InChIKey=DKXNBNKWCZZMJT-JVCRWLNRSA-N

SMILES

O([C@@H]([C@@H]([C@H](C=O)O)O)[C@@H](CO)O)[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O

Canonical SMILES

O=CC(O)C(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)CO

Other Names for this Substance

  • D-Glucose, 4-O-β-D-galactopyranosyl-
  • Lactose
  • 4-O-β-D-Galactopyranosyl-D-glucose
  • Lactin
  • Lactobiose

Deleted or Replaced CAS Registry Numbers

1336-90-9, 35396-14-6, 36570-80-6, 73824-63-2, 89466-76-2, 200734-90-3, 396716-09-9, 1065027-17-9

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