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71837-29-1

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71837-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71837-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,3 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71837-29:
(7*7)+(6*1)+(5*8)+(4*3)+(3*7)+(2*2)+(1*9)=141
141 % 10 = 1
So 71837-29-1 is a valid CAS Registry Number.

71837-29-1Downstream Products

71837-29-1Relevant articles and documents

Synthetic Applications of N-N Linked Heterocycles. Part 9. Preparation of α-(4-Pyridyl)nitroalkanes and N-(4-Pyridyl)azoles by Regiospecific Attack of Nitroalkyl and Azolyl Anions on N-(2,6-Dimethyl-4-oxopyridin-1-yl)pyridinium Salts

Katritzky, Alan R.,Keay, James G.,Rogers, David N.,Sammes, Michael P.,Leung, Christopher W.F.

, p. 588 - 592 (2007/10/02)

Sodium salts of nitroalkanes and of azoles react with N-(2,6-dimethyl-4-oxopyridin-1-yl)pyridinium salts (1) - (3) to give regiospecifically 1,4-dihydropyridines (12) - (14), (15), and (16) in high yields.Photolysis of the dihydropyridines gives α-(4-pyri

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