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D(+)-Raffinose pentahydrate, 250 g

≥98 %, for biochemistry
Pack Qty.
Pack.
Melitriose, Melitose
Empirical formula C18H32O16 · 5 H2O
Molar mass (M) 594,5 g/mol
Density (D) 1,47 g/cm³
Melting point (mp) 80 °C
WGK 1
CAS No. [17629-30-0]
EG-Nr. 208-146-9


Type analysis

209,00 €/op. 

plus VAT | 250 g za op.

Nr kat. 5241.5

Dostępny z magazynu w Karlsruhe
Szybka, prosta i niezawodna dostawa.
od 6 op. 198,55 €/op.
od 24 op. 188,10 €/op.
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D(+)-Raffinose pentahydrate
Wybrana ilość:   0
  1. Suma pośrednia:  0.00
Nr kat. Pack Qty. Pack. Cena Ilość
5241.1 10 g plastic 22,50 €
5241.2 50 g plastic 72,90 €
5241.3 100 g plastic 117,50 €
5241.4 25 g plastic 41,90 €
5241.5 250 g plastic 209,00 €
5241.6 500 g plastic 339,00 €
Dostępny z magazynu w Karlsruhe
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Niedostępny
Data dostawy obecnie nieznana
Wybrana ilość:   0
  1. Suma pośrednia:  0.00

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Informacje ogólne

Sugar (Carbohydrates)

Carbohydrates or Saccharides make up 50 % of the dry biomass of the earth and are therefore the most frequent class of biomolecules. Besides at least two hydroxy groups, they also have an aldehyde or a ketone group and can be subdivided according to the number of monomeric components in mono-, di-, oligo and polysaccharides.

Whereas mono-, di- and oligosaccharides are soluble in water, taste sweet and are therefore called as sugar, polysaccharides are hardly, or not at all, soluble in water and have a neutral taste.

Carbohydrates, together with fats and proteins make up a large percentage of nutrition. In addition to their central role as an energy source, they are also an important structural component especially in plants (e.g. Cellulose). Ribose, a monosaccaride with five carbons (C5H10O5) is an essential element of coenzymes (such as ATP, FAD and NAD) and a structural component of RNA. Desoxyribose (a ribose derivative) is a structural component of DNA.


Oligo- and polysaccharides

Oligosaccharides consist of three to nine monosaccharide units.

Polysaccharides are macromolecular substances that consist of ≥10 monosaccharide units. A distinction is made between homoglycans, which are made up of only one type of monosaccharides (e.g. starch) and heteroglycans, which consist of at least two different monomeric components (e.g. xanthan).


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Type analysis

Appearancewhite to off-white, crystalline powder  
Assay (HPLC)≥98,0 %  
Water (KF)
Specific rotation [α]a (c=10 in H2O)
Heavy metals (as Pb)≤0,001 %  
Sulphated ash≤0,1 %  

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