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heptakis(2,3-di-O-methyl)-6I-O-p-tolylsulfonyl-cyclomaltoheptaose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166305-90-4

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166305-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166305-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,3,0 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 166305-90:
(8*1)+(7*6)+(6*6)+(5*3)+(4*0)+(3*5)+(2*9)+(1*0)=134
134 % 10 = 4
So 166305-90-4 is a valid CAS Registry Number.

166305-90-4Relevant academic research and scientific papers

New Permethyl-Substituted β-Cyclodextrin Polysiloxanes for Use as Chiral Stationary Phases in Open Tubular Column Chromatography

Yi, Guoliang,Bradshaw, Jerald S.,Rossiter, Bryant E.,Malik, Abdul,Li, Wenbao,Lee, Milton L.

, p. 4844 - 4850 (1993)

Heptakis(2,3-di-O-methyl)-6-O-tosyl-β-cyclodextrin (2) was prepared from heptakis(2,3-di-O-methyl)-β-cyclodextrin (1) in a 31percent yield.The tosyl group of 2 was substituted by p-(allyloxy)phenyl in a yield of 74percent to produce 6-O-(p-(allyloxy)pheny

Synthesis of 6I-amino-6I-deoxy-2I-VII,3I-VII-tetradeca-O-methyl-cyclomaltoheptaose.

Carofiglio, Tommaso,Cordioli, Matteo,Fornasier, Roberto,Jicsinszky, Laszlo,Tonellato, Umberto

, p. 1361 - 1366 (2007/10/03)

The preparation of 6(I)-amino-6(I)-deoxy-2(I-VII),3(I-VII)-tetradeca-O-methyl-cyclomaltoheptaose is reported. Two different routes (A and B), both starting from beta-cyclodextrin (betaCD), have been examined. Route A involved: (i) synthesis of heptakis(6-

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