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75392-25-5

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75392-25-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75392-25-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,9 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75392-25:
(7*7)+(6*5)+(5*3)+(4*9)+(3*2)+(2*2)+(1*5)=145
145 % 10 = 5
So 75392-25-5 is a valid CAS Registry Number.

75392-25-5Downstream Products

75392-25-5Relevant articles and documents

Anil-Synthese. 22 Mitteilung. Ueber die Herstellung von Styryl und Distyryl-Derivaten des Pyridins

Siegrist, Adolf Emil,Meyer, Hans Rudolf,Gassmann, Peter,Moss, Serge

, p. 1311 - 1334 (2007/10/02)

2,4-, 2,5- and 2,6-Dimethylpyridines react with anils of aromatic aldehydes in the presence of dimethylformamide and potassium hydroxide to yield the corresponding distyrylpyridines ('anil synthesis').Under the same reaction conditions (4-methylstyryl)pyridines are converted to (stilbenylvinyl)pyridines.Similarly, the Schiff's base derived from pyridine-3-carbaldehyde and chloranile on treatment with methyl- and p-tolyl-substituted aromatic hetericycles gives the corresponding (heteroaryl-styryl)pyridines, whereas with the Schiff's bases derived from pyridine-2= and -4-carbaldehyde side reactions, such as dimerization followed by disproportionation predominate.

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