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1444611-59-9

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1444611-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1444611-59-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,4,6,1 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1444611-59:
(9*1)+(8*4)+(7*4)+(6*4)+(5*6)+(4*1)+(3*1)+(2*5)+(1*9)=149
149 % 10 = 9
So 1444611-59-9 is a valid CAS Registry Number.

1444611-59-9Relevant articles and documents

N-Iminopyridinium ylide-directed, cobalt-catalysed coupling of sp2C-H bonds with alkynes

Kwak, Se Hun,Daugulis, Olafs

, p. 11070 - 11073 (2020/10/05)

N-Iminopyridinium ylides are competent monodentate directing groups for cobalt-catalysed annulation of sp2C-H bonds with internal alkynes. The pyridine moiety in the ylide serves as an internal oxidant and is cleaved during the reaction. The annulation reactions possess excellent compatibility with heterocyclic substrates, tolerating furan, thiophene, pyridine, pyrrole, pyrazole, and indole functionalities.

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