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851493

Sigma-Aldrich

Maltotriose hydrate

95%

Synonym(s):

O-α-D-Glucopyranosyl-(1→4)-O-α-D-glucopyranosyl-(1→4)-O-α-D-glucose

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About This Item

Empirical Formula (Hill Notation):
C18H32O16 · xH2O
CAS Number:
207511-08-8
Molecular Weight:
504.44 (anhydrous basis)
EC Number:
214-174-2
MDL number:
MFCD00149451
UNSPSC Code:
12352201
PubChem Substance ID:
24888208
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

100

Assay

95%

form

crystals

optical activity

[α]24/D +162°, c = 2 in H2O

mp

132-135 °C (lit.)

SMILES string

[H]O[H].OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O[C@@H]2CO)O[C@H]3[C@H](O)[C@@H](O)C(O)O[C@@H]3CO)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C18H32O16.H2O/c19-1-4-7(22)8(23)12(27)17(31-4)34-15-6(3-21)32-18(13(28)10(15)25)33-14-5(2-20)30-16(29)11(26)9(14)24;/h4-29H,1-3H2;1H2/t4-,5-,6-,7-,8+,9-,10-,11-,12-,13-,14-,15-,16?,17-,18-;/m1./s1

InChI key

HNKASWRMLBJLKJ-HNNWOXMSSA-N

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General description

Maltotriose is an oligosaccharide with α-1,4 glycoside linkage. It does not possess any ionic groups, hence is suitable for examining the interaction between molecular motion and water molecules.[1]

Application

Maltotriaose hydrate can be used:
  • for sensitive analysis of simple sugars[2]
  • to study heat capacities for sugars and sugar alcohols in dilute aqueous solution by calorimetry[3]
  • as an internal standard in the analysis of sugar levels, during fermentation process in wort samples using HPLC and spectrophotometry[4]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW4868
MKCT6618
MKCV4253
MKCV0576
MKCS8350

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Maltose monohydrate United States Pharmacopeia (USP) Reference Standard

USP

1375025

Maltose monohydrate

D-(+)-Maltose monohydrate ≥99% (HPLC), BioXtra

Sigma-Aldrich

M9171

D-(+)-Maltose monohydrate

Utilisation of pH stacking in conjunction with a highly absorbing chromophore, 5-aminofluorescein, to improve the sensitivity of capillary electrophoresis for carbohydrate analysis
Journal of Chromatography A, 1200, 8491-8491 (2008)
Heat capacities of maltose, maltotriose, maltotetrose and alpha-, beta-, and gamma-cyclodextrin in the solid state and in dilute aqueous solution
LE Briggner
The Journal of Chemical Thermodynamics, 22, 1067-1074 (1990)
Monitoring of monosaccharides, oligosaccharides, ethanol and glycerol during wort fermentation by biosensors, HPLC and spectrophotometry
R Monosik
Food Chemistry, 138, 220-226 (2013)
Dielectric relaxation of aqueous solutions of maltotriose
Biorheology, 31, 1620-1620 (2017)

Questions

  1. Does this product have a unknown/undetermined hydration or is it a mix of different hydrations (monohydrate, dihydrate, etc.)?

    1 answer

    1. This product is labeled generally as a hydrate with a water content that can vary from lot to lot. Please consult the specification sheet available on the product page which states the water content range is between 2-6%. The degree of hydration would then need to be calculated on a batch specific basis.

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