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2589-80-2

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2589-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2589-80-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,8 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2589-80:
(6*2)+(5*5)+(4*8)+(3*9)+(2*8)+(1*0)=112
112 % 10 = 2
So 2589-80-2 is a valid CAS Registry Number.

2589-80-2Relevant articles and documents

A facile strategy for accessing 3-alkynylchromones through gold-catalyzed alkynylation/cyclization of o-hydroxyarylenaminones

Akram, Manjur O.,Bera, Saibal,Patil, Nitin T.

supporting information, p. 12306 - 12309 (2016/10/22)

A strategy based on tandem alkynylation of o-hydroxyarylenaminones followed by intramolecular cyclization has been developed to generate a diverse array of 3-alkynyl chromones. The functionality embedded in these key intermediates enables their facile elaboration into more diverse structures by a variety of functionalizations and ring-forming processes.

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