18614-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18614-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,1 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18614-19:
(7*1)+(6*8)+(5*6)+(4*1)+(3*4)+(2*1)+(1*9)=112
112 % 10 = 2
So 18614-19-2 is a valid CAS Registry Number.
18614-19-2Relevant articles and documents
Thiophene-2,5-dicarboxylic acid bis-aryl(alkyl) amides
Koparir, Metin,Cansiz, Ahmet,Cetin, Ahmet
, p. 503 - 506 (2007/10/03)
A base-catalyzed condensation of diacetamido sulfides [(RNHCOCH 2)2S)] with glyoxal affording thiophene-2,5-dicarboxylic acid bis-aryl-(alkyl) amides has been accomplished under mild conditions. Excellent results were readily obtaine