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109619-39-8

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109619-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109619-39-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,1 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109619-39:
(8*1)+(7*0)+(6*9)+(5*6)+(4*1)+(3*9)+(2*3)+(1*9)=138
138 % 10 = 8
So 109619-39-8 is a valid CAS Registry Number.

109619-39-8Downstream Products

109619-39-8Relevant articles and documents

CYCLIZATION OF NITRILES. XXI. SUBSTITUTED 4-(3-PYRIDYL)- AND 4-(4-PYRIDYL)-3-CYANO-2(1H)-PYRIDINETHIONES

Sharanin, Yu. A.,Shestopalov, A. M.,Litvinov, V. P.,Mortikov, V. Yu.,Rodinovskaya, L. A.,et. al.

, p. 1762 - 1770 (2007/10/02)

The reaction of pyridylmethylenecyanothioacetamides with carbonyl compounds, enamines, and enamino ketones gave substituted 4-(3-pyridyl)- and 4-(4-pyridyl)-3-cyano-2(1H)-pyridinethiones and their hydrogenated analogs.The direction of the transformation is determined by the structure of the initial reagents.From a detailed study of the reactions a method was developed for the synthesis of derivatives of 4-(3-pyridyl)- and 4-(4-pyridyl)-3-cyano-2(1H)-pyridinethiones involving three-component condensation of aldehydes of the pyridine series, carbonyl compounds, and cyanothioacetamide.

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