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864058-55-9

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864058-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 864058-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,4,0,5 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 864058-55:
(8*8)+(7*6)+(6*4)+(5*0)+(4*5)+(3*8)+(2*5)+(1*5)=189
189 % 10 = 9
So 864058-55-9 is a valid CAS Registry Number.

864058-55-9Relevant articles and documents

Synthesis and evaluation of 7-hydroxyindan-1-one-derived chiral auxiliaries

Narine, Arun A.,Wilson, Peter D.

, p. 413 - 419 (2007/10/03)

A series of novel chiral acetals were prepared from 7-hydroxyindan-1-one and a variety of substituted chiral nonracemic C2-symmetric 1,2-ethanediols (R = Me, Ph, CH2OMe, CH2OBn, CH 2O(1-Np), and i-Pr). These acetals were evaluated as chiral auxiliaries for use in asymmetric synthesis. A high degree of stereochemical induction was observed in the diethylaluminum chloride-promoted Diels-Alder reaction of an acrylate derivative (R = i-Pr) with cyclopentadiene (91:9 dr). This demonstrated that these acetals could serve as effective chiral directors in asymmetric substrate-directed reactions.

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