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1226780-01-3

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1226780-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1226780-01-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,7,8 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1226780-01:
(9*1)+(8*2)+(7*2)+(6*6)+(5*7)+(4*8)+(3*0)+(2*0)+(1*1)=143
143 % 10 = 3
So 1226780-01-3 is a valid CAS Registry Number.

1226780-01-3Downstream Products

1226780-01-3Relevant articles and documents

Regioselective formation of α-vinylpyrroles from the ruthenium-catalyzed coupling reaction of pyrroles and terminal alkynes involving C-H bond activation

Gao, Ruili,Yi, Chae S.

supporting information; experimental part, p. 3144 - 3146 (2010/07/17)

The cationic ruthenium catalyst Ru3(CO)12/NH 4PF6 was found to be highly effective for the intermolecular coupling reaction of pyrroles and terminal alkynes to give gem-selective α-vinylpyrroles. The carbon isotope effect on the α-pyrrole carbon and the Hammett correlation from a series of para-substituted N-arylpyrroles (- = -0.90) indicate a rate-limiting C-C bond formation step of the coupling reaction.

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