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82420-67-5

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82420-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82420-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,2 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82420-67:
(7*8)+(6*2)+(5*4)+(4*2)+(3*0)+(2*6)+(1*7)=115
115 % 10 = 5
So 82420-67-5 is a valid CAS Registry Number.

82420-67-5Relevant articles and documents

A Simple Synthesis of 2-Methoxypyridine-3-carbonitriles

Victory, Pedro,Borrell, Jose I.,Vidal-Ferran, Anton

, p. 769 - 776 (2007/10/02)

The condensation of propanedinitrile with several enals or enones in a methanol-sodium methoxide system provides a one-step route to 2-methoxypyridine-3-carbonitriles.Together with these compounds substituted 2-aminobenzene-1,3-dicarbonitriles, were obtained as by-products.

Synthese d'heterocycles. XX (1). Reaction du malononitrile avec quelques cinnamonitriles

Chacon, Maria, Carmen, del,Pardo, Maria, Carmen, del,Soto, Jose, Luis,Lorente, Antonio,Fuentes, Luis

, p. 421 - 423 (2007/10/02)

Reaction of cinnamonitriles with malononitrile, in methanol-methoxide, yield dihydropyridines, which by aromatisation give pyridines.Pyridine is directly obtained when p-nitrocinnamonitrile is used.

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