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89819-72-7

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89819-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89819-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89819-72:
(7*8)+(6*9)+(5*8)+(4*1)+(3*9)+(2*7)+(1*2)=197
197 % 10 = 7
So 89819-72-7 is a valid CAS Registry Number.

89819-72-7Relevant articles and documents

One for Many: A Universal Reagent for Acylation Processes

Moon, Hyun Kyung,Sung, Gi Hyeon,Kim, Bo Ram,Park, Jong Keun,Yoon, Yong-Jin,Yoon, Hyo Jae

, p. 1725 - 1730 (2016)

This work describes acylation reactions facilitated by a type of heterocycle-based acyl transfer agent, 2-acyloxypyridazinone. Reactions of 2-acyloxypyridazinone with carboxylic acids yield mixed carbonic anhydride intermediates, which are reactive and could be coupled with a wide range of substrates including acids, amines, alcohols, and thiols. The wide substrate scope, ease of operation (no additive or catalyst), storage and handling stability, and atom-efficiency from recycling the heterocycle carrier make the reported acylating agent attractive for acylation-based coupling reactions.

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