Cas no 5965-66-2 (β-Lactose)

β-Lactose structure
β-Lactose structure
Product Name:β-Lactose
CAS No:5965-66-2
MF:C12H22O11
MW:342.296485424042
MDL:MFCD00064521
CID:85497
PubChem ID:24896352
Update Time:2025-04-18

β-Lactose Chemical and Physical Properties

Names and Identifiers

    • 4-O-β-D-galactopyranosyl-β-D-glucopyranose
    • β-Lactose
    • BETA-D-LACTOSE
    • LACTOSE, BETA-D-(AS)
    • LACTOSE, BETA-D-(P)
    • beta-lactose
    • β-D-Gal-(1→4)-β-D-Glc
    • β-D-LACTOSE
    • Lactopress
    • Pharmatose DCL 21
    • Pharmatose DCL 40
    • Lactose
    • D-Lactose
    • Milk sugar
    • 4-O-beta-D-Galactopyranosyl-beta-D-glucopyranose
    • Fast-flo Lactose
    • Fast-flo
    • Lactose anhydrous
    • (+)-Lactose
    • Pharmatose 450M
    • Lactobiose
    • D-(+)-Lactose
    • Lactin
    • Saccharum lactin
    • 4-(beta-D-Galactosido)-D-glucose
    • 4-O-beta-D-Galactopyranosyl-D-glucose
    • beta-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-
    • Galactinum
    • Aletobiose
    • Tablettose
    • .beta.-Lactose
    • Zeparox EP
    • Lactose Fast-flo
    • Pharmatos
    • (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
    • Pharmatose 21
    • UNII-13Q3A43E0S
    • .beta.-D-Lactose
    • Super-Tab
    • AKOS015950662
    • DTXSID5058723
    • Tablettose 70
    • Galb1-4Glcb
    • 60B85732-763B-4E21-BD67-6163315FD251
    • 820 - Lactose (low levels) - Food products
    • beta-Lactose, <=30% alpha-anomer basis, >=99% total lactose basis
    • LAT
    • Tox21_301866
    • 1z3v
    • CHEMBL417016
    • Sorbalac 400
    • Lactose (8CI)
    • Pharmatosa DCL 21
    • Beta-d-lactose, with 30% alfa
    • (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
    • Tablettose 80
    • DTXCID403193
    • HY-W150340
    • 1gzc
    • 1ax1
    • .beta.-D-Gal-(1-->4)-.beta.-D-Glc
    • Flowlac 100
    • (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
    • Galbeta1-4Glcbeta
    • 5965-66-2
    • NS00083021
    • 2nn8
    • (2R,3R,4R,5S,6R)-6-(hydroxymethyl)-5-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2,3,4-triol
    • CHEBI:36218
    • Lactose [JAN]
    • Lactosum anhydricum
    • 2zgm
    • BDBM50370453
    • DTXSID2023193
    • D-Glucose, 4-O-b-D-galactopyranosyl- (9CI)
    • EINECS 227-751-9
    • ss-Lactose
    • Lactin (carbohydrate)
    • DB-229978
    • D-Glucose, 4-O-beta-D-galactopyranosyl
    • NCGC00255383-01
    • DTXCID50196482
    • beta-Lactose, suitable for component for culture media
    • CS-0206827
    • CAS-63-42-3
    • Q127900
    • EN300-7536191
    • beta-D-galactopyranosyl-(1->4)-beta-D-glucose
    • 4-O-(beta-D-Galactopyranosyl)-beta-D-glucopyranose
    • Lactose, beta-
    • (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
    • beta-D-Galp-(1->4)-beta-D-Glcp
    • beta-D-Lactose, contains ca. 70% beta and ca. 30% alpha
    • beta-D-Gal-(1-->4)-beta-D-Glc
    • Osmolactan
    • F71297
    • beta -lactose
    • beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranose
    • (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
    • C01970
    • Pharmatose 325M
    • MFCD00064521
    • WURCS=2.0/2,2,1/(a2122h-1b_1-5)(a2112h-1b_1-5)/1-2/a4-b1
    • 13Q3A43E0S
    • 1gwv
    • AS-87526
    • 227-751-9
    • lactosum , anhydrous
    • B-LACTOSE - MIN 70% B-ANOMER
    • 4-O-(b-D-Galactopyranosyl)-b-D-glucopyranose
    • OL15748
    • MDL: MFCD00064521
    • 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
    • InChI Key: GUBGYTABKSRVRQ-UHFFFAOYSA-N
    • SMILES: OCC1C(O)C(O)C(O)C(OC2C(CO)OC(O)C(O)C2O)O1

Computed Properties

  • Exact Mass: 342.11600
  • Monoisotopic Mass: 342.116
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 8
  • Hydrogen Bond Acceptor Count: 11
  • Heavy Atom Count: 23
  • Rotatable Bond Count: 4
  • Complexity: 382
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 10
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: -4.7
  • Topological Polar Surface Area: 190

Experimental Properties

  • Color/Form: Not determined
  • Density: 1.5900
  • Melting Point: 254 oC
  • Boiling Point: 397.76°C (rough estimate)
  • Flash Point: 357.8±31.5 °C
  • Refractive Index: 1.5376 (estimate)
  • Solubility: Soluble (200 g/l) (25 o C),
  • Water Partition Coefficient: Soluble in water.
  • PSA: 189.53000
  • LogP: -5.39720
  • Solubility: Not determined
  • Merck: 14,5343

β-Lactose Security Information

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β-Lactose Suppliers

Amadis Chemical Company Limited
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(CAS:5965-66-2)β-Lactose
Order Number:A832404
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Quantity:1kg
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 15:27
Price ($):251.0
Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:5965-66-2)β-乳糖
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Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:39
Price ($):discuss personally

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Amadis Chemical Company Limited
(CAS:5965-66-2)β-Lactose
A832404
Purity:99%
Quantity:1kg
Price ($):251.0
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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:5965-66-2)β-乳糖
LE2470838
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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