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253866-86-3

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253866-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253866-86-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,8,6 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 253866-86:
(8*2)+(7*5)+(6*3)+(5*8)+(4*6)+(3*6)+(2*8)+(1*6)=173
173 % 10 = 3
So 253866-86-3 is a valid CAS Registry Number.

253866-86-3Relevant articles and documents

A novel and simple asymmetric synthesis of CMI-977 (LDP-977): A potent anti-asthmatic drug lead

Gurjar, Mukund K.,Murugaiah,Radhakrishna,Ramana,Chorghade, Mukund S.

, p. 1363 - 1370 (2007/10/03)

A practical gram scale asymmetric synthesis of CMI-977 is described. A tandem double elimination of an α-chlorooxirane and concomitant intramolecular nucleophilic substitution was used as the key step. Jacobsen hydrolytic kinetic resolution and Sharpless

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