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63418

D-(+)-Maltose monohydrate

Name: <SC>D</SC>-(+)-Maltose monohydrate
Brand: SIGMA
Price: 59.6 CHF

BioUltra, ≥99.0% (HPLC)

Synonyme(s) :

4-O-α-D-Glucopyranosyl-D-glucose, Maltobiose

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À vous/Référence	Disponibilité	Prix
25 g	Vérifier la disponibilité des articles du panier	59.60 CHF
100 g	Vérifier la disponibilité des articles du panier	188.00 CHF
500 g	Vérifier la disponibilité des articles du panier	723.00 CHF

A propos de cet article

Formule empirique (notation de Hill) :

C₁₂H₂₂O₁₁ · H₂O

Numéro CAS:

6363-53-7

Poids moléculaire :

360.31

UNSPSC Code:

12352201

NACRES:

NA.25

PubChem Substance ID:

57651940

EC Number:

200-716-5

Beilstein/REAXYS Number:

93798

MDL number:

MFCD00149343

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Propriétés

product line

BioUltra

Quality Segment

200

assay

≥99.0% (HPLC)

form

powder or crystals

optical activity

[α]20/D +130±2°, 24 hr, c = 4% in H₂O

impurities

insoluble matter, passes filter test

ign. residue

≤0.1%

color

colorless

pH

5.0-7.0 (25 °C, 0.5 M in H₂O)

mp

125 -130 °C

solubility

H₂O: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

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

UV absorption

λ: 260 nm A_max: 0.08, λ: 280 nm A_max: 0.07

SMILES string

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

InChI key

HBDJFVFTHLOSDW-DNDLZOGFSA-N

Description

Application

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.

Biochem/physiol Actions

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.

Other Notes

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.

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1 of 1

Cet article	M9171	M5895	M5885
Sigma-Aldrich 63418 D-(+)-Maltose monohydrate	Sigma-Aldrich M9171 D-(+)-Maltose monohydrate	Sigma-Aldrich M5895 D-(+)-Maltose monohydrate	Sigma-Aldrich M5885 D-(+)-Maltose monohydrate
assay ≥99.0% (HPLC)	assay ≥99% (HPLC)	assay ≥98% (HPLC)	assay ≥99% (HPLC)
solubility H₂O: 0.5 M at 20 °C, clear, colorless	solubility H₂O: 1 M, clear, colorless	solubility H₂O: 50 mg/mL	solubility 180 g/L at 20 °C
form powder or crystals	form powder	form powder	form powder
product line BioUltra	product line BioXtra	product line BioReagent	product line -
mp 125 -130 °C	mp 125.13 °C (1013.25 hPa)	mp 102-103 °C	mp 125.13 °C (1013.25 hPa)
color colorless	color white	color white	color white

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Classe de stockage

13 - Non Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number

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Questions

1–2 of 2 Questions

Anonymous

a year ago

How can I determine the shelf life / expiration / retest date of this product?

1 answer
1. Technical Support
  
  a year ago
  
  If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
  For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
  For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
  For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
  
  Helpful?
Anonymous

a year ago

How is shipping temperature determined? And how is it related to the product storage temperature?

1 answer
1. Technical Support
  
  a year ago
  
  Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
  
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