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2280-67-3

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2280-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2280-67-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,8 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2280-67:
(6*2)+(5*2)+(4*8)+(3*0)+(2*6)+(1*7)=73
73 % 10 = 3
So 2280-67-3 is a valid CAS Registry Number.

2280-67-3Relevant articles and documents

Iodine-Mediated Oxidative Coupling of Hydroxamic Acids with Amines towards a New Peptide-Bond Formation

Krishnamurthy, Muniyappa,Vishwanatha,Panguluri, Nageswara Rao,Panduranga,Sureshbabu, Vommina V.

, p. 2565 - 2569 (2015)

An efficient and straightforward approach for the coupling of Nα-protected hydroxamic acids with an amino component in the presence of iodine is delineated. The reaction is mediated by the formation of unstable but reactive acyl nitroso intermediates. The peptide hydroxamic acids were found to be useful substrates in coupling reactions.

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