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111149-13-4

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111149-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111149-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,4 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 111149-13:
(8*1)+(7*1)+(6*1)+(5*1)+(4*4)+(3*9)+(2*1)+(1*3)=74
74 % 10 = 4
So 111149-13-4 is a valid CAS Registry Number.

111149-13-4Downstream Products

111149-13-4Relevant articles and documents

Pyridinethiones XIV. Reactions of 2- and 4-Alkylthiopyridines; Synthesis of 1,6- and 2,7-Naphthyridines via 2-Methylene-1,2-dihydro- and 4-Methylene-1,4-dihydropyridines

Asaad, Fahmy Mekhail,Becher, Jan,Moller, Jorgen,Varma, Karikath Sukumar

, p. 301 - 304 (2007/10/02)

2,4-Bismethylthiopyridinium iodides prepared from 2(1H)-pyridinethiones react regioselectively with active methylene compounds, preferentially at the 4-position, yielding 4-alkylidene-1,4-dihydropyridines.The corresponding 4-benzylthio-2-methylthiopyridin

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