gamma cyclodextrins
Inquiry
| Post Date: | Sep 07,2013 |
| Expiry Date: | Mar 06,2014 |
| Detailed Description: |
Cas No. :17465-86-0
Quantity: 1000000Kilograms Specs:500g/bag, 2kg/bag, 10kg/drum Price:295 USD Kilograms Payment Method: T/T Number of glucose units 8 Molecular 1297 Solubility in water g/100ml at ambient temp. 23.2 [α]D25 177.4±0.5 Cavity diameter ? 7.5-8.3 Height of torus 7.9±0.1 Dia. of periphery 17.5±0.4 Vol. of cavity(approx.)? 472 Cavity vol (approx.): per mol CD. mls per lg CD mls 265 0.20 Crystal forms（from water） Quadratic prisms Crystallographic params. C1-C4-C4 angle 112.6 φ/φo 165/-169 O4---O4 distance ? 4.48 O2---O3 distance ? 2.31 Crystal water wt% 8.13-17.7 Diffusion const.40oC 3000 Hydrolysis by A. oryzae α-amylase Rapid Vmaxvalue min-1 2300 Relative permittivity 70.0 39.5 Pk (by potentionmetry) 25oC 12.081 Partial molar volumes in solution ml/mol 801.2 Adiabatic compressidbility In aqueous soln.ml.mol-1.bar-1.104 -5.0 |
| CAS Registry Number: | 17465-86-0 |
| Synonyms: | ;gamma-Schardinger dextrin;-Cyclodextrin;CYCLOOCTAAMYLOSE;5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~.2~28,31~.2~33,36~]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol (non-preferred name);1,2,3,6-tetra-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyl)-alpha-D-glucopyranose;(1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31S,33R,35R,36S,38R,40R,41R,42R,43R,44R,45R,46R,47R,48R,49R,50R,51R,52R,53R,54R,55R,56R)-5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~.2~28,31~.2~33,36~]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol (non-preferred name);Cyclooctapentylose; |
| Molecular Formula: | C48H80O40 |
| Molecular Weight: | 1297.1248 |
| Molecular Structure: | 
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| Safety Description: | S22:; S24/25:; |
| Company: | shandong binzhou zhiyan biotechnology co.,ltd [ China ] |
| Contact: | bob.zhao |
| Tel: | 8613562317646 |
| Fax: | 0543-2605568 |
| Email: | bzzysw@hotmail.com |
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