63630

D-(+)-Melibiose

suitable for microbiology, ≥99.0%

• Synonyme(s) : Raffinose, Melizitose, α-D-Galactosyl-(1→6)-α-D-glucopyranoside, Galactosyl D-glucose, Galactosylglucose, D-Galactopyranosyl-(1→6)-D-glucose, Melibiose, Galactinol, D-(+)-Galactosyl-(1→6)-D-(+)-glucose, α-D-Gal(1→6)β-D-Glc, 6-O-α-D-Galactopyranosyl-D-glucose
• Formule empirique (notation de Hill) : C₁₂H₂₂O₁₁
• CAS Number: 585-99-9
• Poids moléculaire : 342.30
• Beilstein: 93360
• Numéro CE : 209-568-6
• Numéro MDL: MFCD00168065
• Code UNSPSC : 41106212
• ID de substance PubChem : 329759880
• Nomenclature NACRES : NA.74

Propriétés

• Niveau de qualité: 200
• Essai: ≥99.0% (HPLC); ≥99.0%
• Forme: powder
• Activité optique: [α]20/D +137±3°, 10 hr, c = 5% in H₂O
• Conditionnement: pkg of 10 g; pkg of 50 g
• Résidus de calcination: ≤0.1% (as SO₄)
• Couleur: colorless to white
• Solubilité: H₂O: 0.1 g/mL, clear, colorless
• Traces d'anions: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• Traces de cations: As: ≤0.1 mg/kg; Ca: ≤500 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤10 mg/kg; K: ≤50 mg/kg; Mg: ≤10 mg/kg; Mn: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• Application(s): microbiology
• Chaîne SMILES: OC[C@H]1O[C@H](OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O)[C@H](O)[C@@H](O)[C@H]1O
• InChI: 1S/C12H22O11/c13-1-4(15)7(17)8(18)5(16)3-22-12-11(21)10(20)9(19)6(2-14)23-12/h1,4-12,14-21H,2-3H2/t4-,5+,6+,7+,8+,9-,10-,11+,12-/m0/s1
• Clé InChI: AYRXSINWFIIFAE-GFRRCQKTSA-N

Description

Description générale

D-(+)-Melibiose is a reducing disaccharide composed of a unit of galactose linked to a unit of glucose by a glycosidic bond α (1 → 6). It is commonly found in plants and the roots of certain legumes. D-(+)-Melibiose is not metabolized by humans but serves as a substrate for certain bacteria and fungi. It is used as a differential medium component in microbiological media to detect the fermentation of melibiose by microorganisms. It helps identify specific bacterial species based on their ability to ferment melibiose.

Application

D-(+)-Melibiose has applications in the fields of microbiology, research and development, and in food and pharmaceutical industries. Melibiose fermentation test is used to differentiate bacteria like Enterobacteriaceae (like Salmonella, E.coli, shigella, Citrobacter, Klebsiella, Enterobacter) and yeasts. It is also used for the differentiation between the plant pathogenic bacteria Klebsiella pneumoniae and K. variicola.

Stockage et stabilité

Keep the container tightly closed in a dry and well-ventilated place.Hygroscopic, Store under inert gas.

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)