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    Lactose API

    ACTIVE PHARMA INGREDIENTS

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    REF. STANDARDS & IMPURITIES

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    2D Structure
    Also known as: (+)-lactose, .beta.-lactose, 4-(beta-d-galactosido)-d-glucose, 4-o-beta-d-galactopyranosyl-beta-d-glucopyranose, 4-o-beta-d-galactopyranosyl-d-glucose, Beta-d-glucopyranose, 4-o-beta-d-galactopyranosyl-
    Molecular Formula
    C12H22O11
    Molecular Weight
    342.30  g/mol
    InChI Key
    GUBGYTABKSRVRQ-DCSYEGIMSA-N
    FDA UNII
    13Q3A43E0S
    A disaccharide of GLUCOSE and GALACTOSE in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry.
    1 2D Structure

    2D Structure

    2 Identification
    2.1 Computed Descriptors
    2.1.1 IUPAC Name
    (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol
    2.1.2 InChI
    InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5+,6+,7-,8-,9-,10-,11-,12+/m1/s1
    2.1.3 InChI Key
    GUBGYTABKSRVRQ-DCSYEGIMSA-N
    2.1.4 Canonical SMILES
    C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O
    2.1.5 Isomeric SMILES
    C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O)CO)O)O)O)O
    2.2 Other Identifiers
    2.2.1 UNII
    13Q3A43E0S
    2.3 Synonyms
    2.3.1 MeSH Synonyms

    1. Anhydrous Lactose

    2. Lactose

    3. Lactose, Anhydrous

    2.3.2 Depositor-Supplied Synonyms

    1. (+)-lactose

    2. .beta.-lactose

    3. 4-(beta-d-galactosido)-d-glucose

    4. 4-o-beta-d-galactopyranosyl-beta-d-glucopyranose

    5. 4-o-beta-d-galactopyranosyl-d-glucose

    6. Beta-d-glucopyranose, 4-o-beta-d-galactopyranosyl-

    7. Beta-d-lactose

    8. D-(+)-lactose

    9. D-glucose, 4-o-beta-d-galactopyranosyl

    10. D-lactose

    11. Lactose

    12. Lactose [jan]

    13. Milk Sugar

    14. 5965-66-2

    15. Lactose Anhydrous

    16. Lactosum Anhydricum

    17. Lactobiose

    18. Lactin

    19. Saccharum Lactin

    20. Fast-flo Lactose

    21. (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[(2r,3s,4r,5r,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol

    22. Aletobiose

    23. Galactinum

    24. Tablettose

    25. Chebi:36218

    26. Zeparox Ep

    27. Lactose Fast-flo

    28. Beta-d-lactose, With 30% Alfa

    29. Pharmatose 21

    30. 13q3a43e0s

    31. Beta-d-galactopyranosyl-(1->4)-beta-d-glucopyranose

    32. Lactin (carbohydrate)

    33. Osmolactan

    34. (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[(2r,3s,4r,5r,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran-3,4,5-triol

    35. Anhydrous Lactose

    36. Super-tab

    37. Tablettose 70

    38. Tablettose 80

    39. Pharmatose 325m

    40. .beta.-d-lactose

    41. Sorbalac 400

    42. Flowlac 100

    43. Pharmatosa Dcl 21

    44. Lat

    45. Einecs 227-751-9

    46. Unii-13q3a43e0s

    47. Saccharum Lactis

    48. Beta -lactose

    49. 1gwv

    50. 1gzc

    51. 2zgm

    52. Galbeta1-4glcbeta

    53. Lactose-electricitas

    54. Lactosum, Anhydrous

    55. Galb1-4glcb

    56. Lactose (8ci)

    57. 1ax1

    58. 1z3v

    59. 2nn8

    60. Lactose, Unspecified Form

    61. Dsstox_cid_3193

    62. Dsstox_rid_76916

    63. Dsstox_gsid_23193

    64. Chembl417016

    65. Dtxsid2023193

    66. Dtxsid5058723

    67. Zinc4095761

    68. Tox21_301866

    69. Bdbm50370453

    70. Beta-d-galp-(1->4)-beta-d-glcp

    71. Akos015950662

    72. B-lactose - Min 70% B-anomer

    73. Cas-63-42-3

    74. Ncgc00255383-01

    75. .beta.-d-gal-(1-->4)-.beta.-d-glc

    76. Cs-0206827

    77. C01970

    78. D-glucose, 4-o-b-d-galactopyranosyl- (9ci)

    79. F71297

    80. Beta-d-galactopyranosyl-(1->4)-beta-d-glucose

    81. A832404

    82. Q127900

    83. 4-o-(beta-d-galactopyranosyl)-beta-d-glucopyranose

    84. Beta-lactose, Suitable For Component For Culture Media

    85. Beta-d-lactose, Contains Ca. 70% Beta And Ca. 30% Alpha

    86. 60b85732-763b-4e21-bd67-6163315fd251

    87. Beta-lactose, <=30% Alpha-anomer Basis, >=99% Total Lactose Basis

    88. Wurcs=2.0/2,2,1/[a2122h-1b_1-5][a2112h-1b_1-5]/1-2/a4-b1

    89. (2r,3r,4r,5s,6r)-6-(hydroxymethyl)-5-(((2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-2-yl)oxy)tetrahydro-2h-pyran-2,3,4-triol

    90. (2r,3r,4r,5s,6r)-6-(hydroxymethyl)-5-((2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-2-yloxy)tetrahydro-2h-pyran-2,3,4-triol

    91. (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-{[(2r,3s,4r,5r,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxane-3,4,5-triol

    2.4 Create Date
    2005-06-01
    3 Chemical and Physical Properties
    Molecular Weight 342.30 g/mol
    Molecular Formula C12H22O11
    XLogP3-4.7
    Hydrogen Bond Donor Count8
    Hydrogen Bond Acceptor Count11
    Rotatable Bond Count4
    Exact Mass342.11621151 g/mol
    Monoisotopic Mass342.11621151 g/mol
    Topological Polar Surface Area190 Ų
    Heavy Atom Count23
    Formal Charge0
    Complexity382
    Isotope Atom Count0
    Defined Atom Stereocenter Count10
    Undefined Atom Stereocenter Count0
    Defined Bond Stereocenter Count0
    Undefined Bond Stereocenter Count0
    Covalently Bonded Unit Count1
    4 Pharmacology and Biochemistry
    4.1 MeSH Pharmacological Classification

    Sweetening Agents

    Substances that sweeten food, beverages, medications, etc., such as sugar, saccharine or other low-calorie synthetic products. (From Random House Unabridged Dictionary, 2d ed) (See all compounds classified as Sweetening Agents.)