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87920-55-6

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87920-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87920-55-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,2 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87920-55:
(7*8)+(6*7)+(5*9)+(4*2)+(3*0)+(2*5)+(1*5)=166
166 % 10 = 6
So 87920-55-6 is a valid CAS Registry Number.

87920-55-6Downstream Products

87920-55-6Relevant articles and documents

A strategy for position-selective epoxidation of polyprenols

Gnanadesikan, Vijay,Corey

supporting information; experimental part, p. 8089 - 8093 (2009/02/01)

An effective strategy has been developed for the efficient site-selective epoxidation of poylolefinic isoprenoid alcohols, based on the use of an internal control element for intramolecular reaction. The approach is illustrated by application to a series of polyisoprenoid alcohols (polyprenols) at substrate concentration of 0.5 mM. With polyprenol substrates having the hydroxyl function at one terminus, the internal epoxidation can be directed at the double bond of the polyprenol, which is either four or five away from the terminal hydroxyprenyl subunit.

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