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ACTIVE PHARMA INGREDIENTS

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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

Lactose API

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 Formula	C₁₂H₂₂O₁₁
Molecular Weight	342.30 g/mol
XLogP3	-4.7
Hydrogen Bond Donor Count	8
Hydrogen Bond Acceptor Count	11
Rotatable Bond Count	4
Exact Mass	342.11621151 g/mol
Monoisotopic Mass	342.11621151 g/mol
Topological Polar Surface Area	190 Å²
Heavy Atom Count	23
Formal Charge	0
Complexity	382
Isotope Atom Count	0
Defined Atom Stereocenter Count	10
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently Bonded Unit Count	1

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.)

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