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Documenti fondamentali

63418

Sigma-Aldrich

D-(+)-maltosio

BioUltra, ≥99.0% (HPLC)

Sinonimo/i:

4-O-α-D-glucopiranosil-D-glucosio, Maltobiosio

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About This Item

Formula empirica (notazione di Hill):
C12H22O11 · H2O
Numero CAS:
Peso molecolare:
360.31
Beilstein:
93798
Numero CE:
Numero MDL:
Codice UNSPSC:
12352201
ID PubChem:
NACRES:
NA.25

Nome Commerciale

BioUltra

Livello qualitativo

Saggio

≥99.0% (HPLC)

Stato

powder or crystals

Attività ottica

[α]20/D +130±2°, 24 hr, c = 4% in H2O

Impurezze

insoluble matter, passes filter test

Residuo alla calcinazione

≤0.1%

Colore

colorless

pH

5.0-7.0 (25 °C, 0.5 M in H2O)

Punto di fusione

125 -130  °C

Solubilità

H2O: 0.5 M at 20 °C, clear, colorless

Anioni in tracce

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

Cationi in tracce

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.5 M in H2O

Assorbanza UV

λ: 260 nm Amax: 0.08
λ: 280 nm Amax: 0.07

Stringa SMILE

O.OC[C@@H](O)[C@@H](O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O

InChI

1S/C12H22O11.H2O/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12;/h1,4-12,14-21H,2-3H2;1H2/t4-,5+,6+,7+,8+,9-,10+,11+,12+;/m0./s1
HBDJFVFTHLOSDW-DNDLZOGFSA-N

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Applicazioni

D-Maltose, an α(1→4) linked disaccharide of D-glucose, is used as a substrate for the identification, differentiation and characterization of enzymes such as maltase(s); maltose α-D-glucosyltransferase(s); maltose-transporting ATPase(s); maltose O-acetyltransferase(s) and maltose epimerase(s) and phosphorylase(s). D-Maltose is used to study maltose-binding proteins and disaccharide transport systems.

Azioni biochim/fisiol

Maltose is a disaccharide containing two glucose molecules with an α(1→4) glycosidic linkage. Maltose can be derived from starch in food through the action of amylase. Maltose can be found in many food products, including beer, cereals, and pasta.

Altre note

To gain a comprehensive understanding of our extensive range of Disaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Component of the liquid stationary phase in the GLC separation of nitroxlene and xylene isomers.

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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