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237769-03-8

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237769-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 237769-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,7,6 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 237769-03:
(8*2)+(7*3)+(6*7)+(5*7)+(4*6)+(3*9)+(2*0)+(1*3)=168
168 % 10 = 8
So 237769-03-8 is a valid CAS Registry Number.

237769-03-8Upstream product

237769-03-8Relevant articles and documents

Application of oxathiazolidine-S-oxide chemistry to the large-scale single-step synthesis of an O-arylethanolamine

Barker, Alan C.,Boardman, Kay A.,Broady, Simon D.,Moss, William O.,Patel, Bharti,Senior, Michael W.,Warren, Kenneth E. H.

, p. 253 - 255 (1999)

Alternative routes to the arylethanolamine subunit of a development drug have been investigated. The selected route, involving O-alkylation of a phenol using N-benzyloxathiazolidine-S-oxide, was developed to give a process used successfully for pilot plan

Novel preparation of functionalized iodotetrahydronaphthyridine, iodoazaindoline, and iodotetrahydropyridoazepine systems

Nguyen, Hanh Nho,Wang, Zhan J.

, p. 7460 - 7463 (2008/03/14)

A novel method, which utilizes a key halogen dance step for the preparation of iodotetrahydronaphthyridine, iodoazaindoline, and iodotetrahydropyridoazepine ring-systems is described. A variety of transformations of the iodo-functional group are also repo

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