Description

2,6-Di-O-methyl-beta-cyclodextrin (CAS No. 51166-71-3) is a chemically modified cyclic oligosaccharide derived from beta-cyclodextrin, featuring methylation at the 2 and 6 positions of the glucose units. With the molecular formula C₅₆H₉₈O₃₅, this derivative exhibits enhanced solubility and inclusion complexation capabilities compared to its parent compound, making it invaluable in pharmaceutical, chemical, and biotechnology applications. Its unique structure allows for improved host-guest interactions, facilitating the solubilization, stabilization, and delivery of hydrophobic compounds. This high-purity reagent is rigorously tested to ensure consistency and performance, meeting the stringent requirements of research and industrial processes. Ideal for drug formulation, chiral separation, and analytical chemistry, it is supplied as a white to off-white powder with ≥98% purity (TLC).

Properties

• CAS Number: 51166-71-3
• Complexity: 1690
• IUPAC Name: (1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31S,33R,35R,36S,37R,38S,39R,40S,41R,42S,43R,44S,45R,46S,47R,48S,49R)-37,39,41,43,45,47,49-heptamethoxy-5,10,15,20,25,30,35-heptakis(methoxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontane-36,38,40,42,44,46,48-heptol
• InChI: InChI=1S/C56H98O35/c1-64-15-22-36-29(57)43(71-8)50(78-22)86-37-23(16-65-2)80-52(45(73-10)30(37)58)88-39-25(18-67-4)82-54(47(75-12)32(39)60)90-41-27(20-69-6)84-56(49(77-14)34(41)62)91-42-28(21-70-7)83-55(48(76-13)35(42)63)89-40-26(19-68-5)81-53(46(74-11)33(40)61)87-38-24(17-66-3)79-51(85-36)44(72-9)31(38)59/h22-63H,15-21H2,1-14H3/t22-,23-,24-,25-,26-,27-,28-,29+,30+,31+,32+,33+,34+,35+,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-/m1/s1
• InChI Key: QGKBSGBYSPTPKJ-UZMKXNTCSA-N
• Exact Mass: 1330.5888648
• Molecular Formula: C56H98O35
• Molecular Weight: 1331.4
• SMILES: COC[C@@H]1[C@@H]2[C@@H]([C@H]([C@H](O1)O[C@@H]3[C@H](O[C@@H]([C@@H]([C@H]3O)OC)O[C@@H]4[C@H](O[C@@H]([C@@H]([C@H]4O)OC)O[C@@H]5[C@H](O[C@@H]([C@@H]([C@H]5O)OC)O[C@@H]6[C@H](O[C@@H]([C@@H]([C@H]6O)OC)O[C@@H]7[C@H](O[C@@H]([C@@H]([C@H]7O)OC)O[C@@H]8[C@H](O[C@H](O2)[C@@H]([C@H]8O)OC)COC)COC)COC)COC)COC)COC)OC)O
• Topological: 400
• Monoisotopic Mass: 1330.5888648
• Synonyms: 51166-71-3, 2,6-Di-O-methyl-beta-cyclodextrin, 2,6-Di-O-methyl-|A-cyclodextrin, 26-Di-O-methyl-beta-cyclodextrin, Heptakis(2,6-di-O-methyl)-beta-cyclodextrin, MFCD00011616, 5FJP73E35O, Dimethyl-beta-cyclodextrin, Di-O-methyl-b-cyclodextrin (90%), Dimethyl beta-cyclodextrin, 2,6-Dimethyl-beta-cyclodextrin, UNII-5FJP73E35O, Heptakis(2,6-di-O-methyl)-b-cyclodextrin, heptakis(2,6-O-dimethyl)beta-cyclodextrin, Heptakis-2,6-di-O-methyl-beta-cyclodextrin, 2,6-DMe-beta-cyclodextrin, 2,6-Dimethyl–cyclodextrin, Di-O-methyl-beta-cyclodextrin, SCHEMBL536969, CHEMBL2074619, Di-O-methyl-I(2)-cyclodextrin, 2,6-beta-O-dimethylcyclodextrin, BDBM36245, DTXSID501311203, AKOS037643206, OD08100, OD29274, 2,6-DIMETHYL-.BETA.-CYCLODEXTRIN, 2,6-Dimethyl-b-cyclodextrin – Technical, AC-36714, AS-10618, Heptakis(2,6-di-O-methyl)-ss-cyclodextrin, HY-137234, CS-0137271, 2,6-DI-O-METHYL-.BETA.-CYCLODEXTRIN, A11791, DIMEB; Heptakis(2,6-di-O-methyl)-b-cyclodextrin, TETRADECAKIS-2,6-O-METHYLCYCLOHEPTAAMYLOSE, Q27261971, HEPTAKIS(2,6-DI-O-METHYL)-.BETA.-CYCLODEXTRIN, Heptakis(2,6-di-O-methyl)-beta-cyclodextrin, >=98.0% (TLC), beta-Cyclodextrin, 2A,2B,2C,2D,2E,2F,2G,6A,6B,6C,6D,6E,6F,6G-tetradeca-O-methyl-, Heptakis(2,6-Di-O-methyl)-beta-cyclodextrin; contains Trimethyl-beta-cyclodextrin, .BETA.-CYCLODEXTRIN, 2A,2B,2C,2D,2E,2F,2G,6A,6B,6C,6D,6E,6F,6G-TETRADECA-O-METHYL-, beta-Cyclodextrin, 2(sup A),2(sup B),2(sup C),2(sup D),2(sup E),2(sup F),2(sup G),6(sup A),6(sup B),6(sup C),6(sup D),6(sup E),6(sup F),6(sup G)-tetradeca-O-methyl-

2,6-Di-O-methyl-beta-cyclodextrin is widely used as a solubilizing agent for hydrophobic drugs in pharmaceutical formulations. It serves as a chiral selector in capillary electrophoresis for enantiomeric separation of bioactive compounds. Additionally, it is employed in analytical chemistry to enhance the stability and bioavailability of labile molecules. Its ability to form inclusion complexes makes it useful in catalysis and material science applications.

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