(CODE: CY-F-2004.1)

Price: € 39.06 / mg

Abbreviation: FITC-NH-RAMEB
CAS Number: -
Product Number: CY-F-2004.1
Cyclodextrin type: Fluorescent cyclodextrins
Quality: fine chemical grade
for 39.06  EUR
Volume Volume Discount Price
from 1 mg 0% € 39.06 / mg
from 11 mg 9% € 35.42 / mg
from 26 mg 17% € 32.24 / mg
Chemical and Physical Description
Average Molecular Formula C42H71-n-mNO34 ∙ (C21H12NO5S)n ∙ (CH3)m
Average Formula Weight 1134.0 + n∙(389.4) + m∙(14.0)
Possible impurities 6-deoxy-6-monoamino-RAMEB, free dye
(in 100 cm3 solvent, at 25 °C)
Water: soluble
Methanol: soluble
Absorbance λmax: 492 nm
λex: 450 nm
λem: 460 - 650 nm
Test Method Range
Appearance Visual slight yellow to orange powder
Average Degree of Substitution for FITC (n) NMR (EP 2.2.33) 0.5 - 1.0
Average Degree of Substitution for methyl groups (m) NMR (EP 2.2.33) 9.0 - 13.0
free dye content

CE (EP 2.2.47)
CE (EP 2.2.47)

< 0.3%
< 20%
Comments: only for reagent and laboratory purposes, not for human use.
The fluoresceinyl moiety is located at C(6). The product is highly hygroscopic and dried to constant weight under 100 mbar vacuum at 50 ˚C.

Description: The fluorophore (5/6 isomeric mixture) is attached on the primary hydroxyl rim of the cyclodextrin, via a chemically stable thioureido group. Each cyclodextrin ring contains a fluorescent unit. Methylation is a random process. The material is freely soluble in water and soluble in organic solvents (CH2Cl2,DMF).

Applications: Chemosensor, fluorescent microscopy, transport processes, host-guest complexation, femtosecond processes.

Storage: at 2-8 ˚C temperature, protected from direct light and heat in a tightly closed dark glass container.

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