D-Lactose monohydrate

• Catalog No.: 61339
• CAS Number: 64044-51-5
• M. F.: C12H24O12
• M. W.: 360.31176
• Purity: ≥99.5% (HPLC)

SYNONYMS

• Title: D-乳糖 一水合物
• IUPAC name: (2R,3R,4R,5R)-2,3,5,6-tetrahydroxy-4-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate
• IUPAC Traditional name: (2R,3R,4R,5R)-2,3,5,6-tetrahydroxy-4-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate
• Synonyms: β-D-Gal-(1→4)-D-Glc; 4-O-β-D-吡喃半乳糖基-D-葡萄糖; Milk sugar; 4-O-β-D-Galactopyranosyl-D-glucose; 乳糖

DATABASE IDS

• MDL Number: MFCD00166994
• Beilstein Number: 3768231
• EC Number: 200-559-2
• CAS Number: 64044-51-5

PROPERTIES

• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Cation Traces: Al: ≤5 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤5 mg/kg
• Cation Traces: Bi: ≤5 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Li: ≤5 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Mo: ≤5 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Sr: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C12H22O11 · H2O
• Ignition Residue: ≤0.05% (as SO4)
• Impurities: insoluble matter, passes filter test
• λ: 0.5 M in H2O
• Product Line: BioUltra
• Purity: ≥99.5% (HPLC)
• Absorption Wavelength: λ: 260 nm Amax: 0.02
• Absorption Wavelength: λ: 280 nm Amax: 0.02
• Optical Rotation: [α]20/D +53±1°, 22 hr, c = 10% in H2O
• pH: 3.5-6.0 (25 °C, 0.5 M in H2O)
• Solubility: H2O: soluble0.5 M at 20 °C, clear, colorless
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Component of the liquid stationary phase in the GLC separation of nitroxylene and xylenol isomers1
Sales restrictions may apply
Application
D-Lactose is a disaccharide of D-glucose and D-galactose units found as a major sugar in milk. D-Lactose is used for the culture of lactic acid metabolizing bacteria, lactic acid bacteria. D-Lactose is used to identify and characterized galectins.

Description (简体中文)

Other Notes
Component of the liquid stationary phase in the GLC separation of nitroxylene and xylenol isomers1
Sales restrictions may apply
Application
D-Lactose is a disaccharide of D-glucose and D-galactose units found as a major sugar in milk. D-Lactose is used for the culture of lactic acid metabolizing bacteria, lactic acid bacteria. D-Lactose is used to identify and characterized galectins.