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170802-57-0

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170802-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170802-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,8,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 170802-57:
(8*1)+(7*7)+(6*0)+(5*8)+(4*0)+(3*2)+(2*5)+(1*7)=120
120 % 10 = 0
So 170802-57-0 is a valid CAS Registry Number.

170802-57-0Downstream Products

170802-57-0Relevant articles and documents

SYNTHESIS AND PROPERTIES OF SUBSTITUTED 1-(2-BENZOTHIAZOLYL)-2-PYRIDONES

Stetinova, Jarmina,Kada, Rudolf,Lesko, Jan,Zalibera, Lubomir,Ilavsky, Dusan,Bartovic, Alexander

, p. 999 - 1008 (2007/10/03)

The studied 1-(2-benzothiazolyl)-2-pyridones Va-Vf were prepared from N-(2-benzothiazolyl)cyanoacetamide (II) which on reaction with 4-substituted benzaldehydes afforded 3-aryl-N-(2-benzothiazolyl)-2-cyano-2-propenamides IVa-IVg.Compounds IVa-IVf were cyclized with malonodinitrile in the presence of piperidine to give the corresponding pyridones Va-Vf.

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