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137401-55-9

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137401-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137401-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,0 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137401-55:
(8*1)+(7*3)+(6*7)+(5*4)+(4*0)+(3*1)+(2*5)+(1*5)=109
109 % 10 = 9
So 137401-55-9 is a valid CAS Registry Number.

137401-55-9Relevant articles and documents

Synthesis of Functionalized Pyrrolines via Microwave-Promoted Iminyl Radical Cyclizations

Singh, Jatinder,Nickel, Garrison A.,Cai, Yu,Jones, Dakota D.,Nelson, Tanner J.,Small, Jeshurun E.,Castle, Steven L.

, p. 3970 - 3974 (2021)

O-Phenyloximes tethered to alkenes undergo 5-exo-trig iminyl radical cyclizations upon microwave irradiation. Trapping of the resulting cyclic radicals results in C-C, C-N, C-O, C-S, or C-X bond formation. Allylic sulfides undergo a tandem cyclization-thi

Stereoselectivity in Electrophile-Mediated Cyclisations. AgI-Catalysed Synthesis of Disubstituted Pyrrolidines; Crystal Structure of cis-5-Phenyl-N-tosylpyrrolidin-2-ylmethyl 4-Bromobenzoate

Gallagher, Timothy,Jones, Stephen W.,Mahon, Mary F.,Molloy, Kieran C.

, p. 2193 - 2198 (2007/10/02)

A series of phenyl-substituted allenic sulphonamides 5, 6 and 7 have been prepared and shown to undergo AgI-catalysed cyclisation to give the corresponding 2,5-, 2,4- and 2,3-disubstituted N-sulphonylpyrrolidines 8, 9, and 10 respectively.The i

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