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86838-01-9

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86838-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86838-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,8,3 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86838-01:
(7*8)+(6*6)+(5*8)+(4*3)+(3*8)+(2*0)+(1*1)=169
169 % 10 = 9
So 86838-01-9 is a valid CAS Registry Number.

86838-01-9Downstream Products

86838-01-9Relevant articles and documents

A Selectivity Study of Activated Ketal Reduction with Borane Dimethyl Sulfide

Bartels, Birgit,Hunter, Roger

, p. 6756 - 6765 (2007/10/02)

A chemo- and regioselectivity study of the reagent combination BH3*SMe2/TMSOTf for ketal reduction has been undertaken.It has revealed that simple 1,3-dioxanes reduce cleanly at low temperature in CH2Cl2 while simple 1,3-dioxolanes may give complete ring cleavage and dimerization products.A study of reduction of 4-substituted 1,3-dioxolanes has revealed a solvent-directed regioselectivity which in THF favors the secondary protected derivative.A mechanism is postulated to account for the selectivities based on recent thinking on acetal substitution reactions.

The First Solvent-directed Regioselective Ketal Reduction of Unsymmetrical Glycols

Hunter, Roger,Bartels, Birgit

, p. 2887 - 2888 (2007/10/02)

Borane-dimethyl sulphide/TMSOTf in THF reduces ketals of unsymmetrical vicinal diols with much higher regioselectivity than with CH2Cl2 as solvent.

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