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GENTIOBIOSE

Product Name
GENTIOBIOSE
CAS No.
554-91-6
Chemical Name
GENTIOBIOSE
Synonyms
BETA-GENTIOBIOSE;AMYGDALOSE;GENTIOBIOSE;GENTIOBIOSE β;Gentiobiose>BETA-GENTOBIOSE;B-D-GENTIOBIOSE;Gentiobiose,97%;BETA-D-GENTIOBIOSE;β-Gentiobiose, 99%+
CBNumber
CB0315621
Molecular Formula
C12H22O11
Formula Weight
342.3
MOL File
554-91-6.mol
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GENTIOBIOSE Property

Melting point:
195-197 °C (dec.)
Boiling point:
397.76°C (rough estimate)
Density 
1.4149 (rough estimate)
refractive index 
9.5 ° (C=4, H2O)
storage temp. 
Sealed in dry,2-8°C
solubility 
Water (Sparingly)
pka
12.45±0.20(Predicted)
form 
Powder
color 
White to Off-white
optical activity
Alpha type +21.4 → +8.7 Beta type -11 → +9.6
Water Solubility 
Slightly soluble in water.
Merck 
14,4396
BRN 
93354
CAS DataBase Reference
554-91-6(CAS DataBase Reference)
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Safety

WGK Germany 
3
F 
3-10
HS Code 
29400090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
G3000
Product name
β-Gentiobiose
Purity
≥85% (remainder primarily α-anomer)
Packaging
1g
Price
$432
Updated
2024/03/01
Sigma-Aldrich
Product number
G3000
Product name
β-Gentiobiose
Purity
≥85% (remainder primarily α-anomer)
Packaging
5g
Price
$1120
Updated
2024/03/01
TCI Chemical
Product number
G0026
Product name
Gentiobiose
Purity
>96.0%(HPLC)
Packaging
100mg
Price
$113
Updated
2024/03/01
Alfa Aesar
Product number
J66750
Product name
beta-D-Gentiobiose, 98%
Packaging
100mg
Price
$41.65
Updated
2024/03/01
Alfa Aesar
Product number
J66750
Product name
beta-D-Gentiobiose, 98%
Packaging
1g
Price
$234.65
Updated
2024/03/01
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GENTIOBIOSE Chemical Properties,Usage,Production

Chemical Properties

white to off-white fine crystalline powder

Uses

A disaccharide composed of two units of D-glucose

Uses

Gentiobiose was used in binding assays to determine if coelomic cytolytic factor 1 (CCF-1) binds to β-1,3-glucans to stimulate the pro-PO-activating system.

Purification Methods

-Gentiobiose is best purified via the octaacetate which is recrystallised from MeOH, EtOH or better from methyl cellosolve by heating at 80o. The octaacetate (15g) is hydrolysed by suspending it in dry 0.05N NaOMe in MeOH (180mL) for 1hour with occasional shaking at room temperature. Dilute this with H2O to dissolve suspended matter, pass through Amberlite IR-120 and Duolite A-4 columns and the eluate is evaporated under reduced pressure to a syrup. Residual H2O is removed by repeated distillation with absolute EtOH under reduced pressure. The syrup is dissolved in methyl cellosolve (~40mL), filtered, nucleated and placed in an oven at 80o. The crystals are filtered off, washed with absolute EtOH (yield 6.7g, 89%), dried and have m 187-189o. Further recrystallisation from methyl cellosolve gives m 190o, and mutarotates from [] D 28 -1.5o (initial) to +10.6o (final, c 4, H2O). The -octaacetate has m 193o (crystallised from 95% EtOH) and has [] D 20 -5o (c 1.8, CHCl3). [Goldstein & Whelan Methods in Carbohydrate Chemistry I 313 1962, Academic Press, Beilstein 17/7 V 203.]

GENTIOBIOSE Preparation Products And Raw materials

Raw materials

Preparation Products

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GENTIOBIOSE Suppliers

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View Lastest Price from GENTIOBIOSE manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Gentiobiose 554-91-6
Price
US $0.00/G
Min. Order
10G
Purity
98%min
Supply Ability
30kg/month
Release date
2023-02-09
Hebei Weibang Biotechnology Co., Ltd
Product
GENTIOBIOSE 554-91-6
Price
US $9.90/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-12-04
Hebei Mojin Biotechnology Co., Ltd
Product
GENTIOBIOSE 554-91-6
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-08-23

554-91-6, GENTIOBIOSERelated Search:

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  • 6-O-beta-D-Glucopyranosyl-D-glucose, Amygdalose
  • BETA-GENTOBIOSE
  • BETA-GENTIOBIOSE
  • BETA-D-GENTIOBIOSE
  • B-D-GENTIOBIOSE
  • GENTIOBIOSE
  • Gentiobiose, for biochemistry, 95%
  • D-Glucose, 6-O-.beta.-D-glucopyranosyl-
  • 6-o-β-d-glucopyranosyl-d-glucose
  • 6-O-B-D-GLUCOPYRANOSYL-D-GLUCOSE
  • 6-O-BETA-D-GLUCOPYRANOSYL-BETA-D-GLUCOSE
  • 6-O-BETA-D-GLUCOPYRANOSYL-D-GLUCOSE
  • AMYGDALOSE
  • (3R,4S,5S,6R)-6-((((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2,3,4,5-tetraol
  • (2R,3R,4S,5S,6R)-6-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-2-oxanyl]oxymethyl]oxane-2,3,4,5-tetrol
  • 6-O-β-D-Glucopyranosyl-D-glucose, Amygdalose
  • Gentiobiose, 95%, for biochemistry
  • Gentiobiose,97%
  • AMYGDALOSE(RG)(SEE GENTIOBIOSE)
  • β-D-Gentiobiose ,98%
  • 6-(β-D-Glucosido)-D-glucose
  • beta-D-Glcp-(1->6)-beta-D-Glcp
  • Gentiobiose Gentiobiose
  • Gentiobiose&gt
  • GENTIOBIOSE USP/EP/BP
  • β-Gentiobiose, 99%+
  • β-D-Gentiobiose extrapure, 99%
  • turnover,βGentiobiose,rapid,naturally,rate,oligosaccharin,Inhibitor,β-Gentiobiose,ripening,Gentiobiose,inhibit,β Gentiobiose
  • GENTIOBIOSE β
  • b-Gentiobiose (Amygdalose)
  • (2R,3S,4R,5R)-2,3,4,5-tetrahydroxy-6-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal
  • 554-91-6
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