544436-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 544436-76-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,4,4,3 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 544436-76:
(8*5)+(7*4)+(6*4)+(5*4)+(4*3)+(3*6)+(2*7)+(1*6)=162
162 % 10 = 2
So 544436-76-2 is a valid CAS Registry Number.
544436-76-2Relevant articles and documents
Novel synthesis of 1-aroyl-3-aryl-4-substituted imidazole-2-thiones.
Zeng, Run-Sheng,Zou, Jian-Ping,Zhi, San-Jun,Chen, Jun,Shen
, p. 1657 - 1659 (2003)
[reaction: see text] An efficient route to 1-aroyl-3-aryl-4-substituted imidazole-2-thiones (2, 4-6) has been developed. The methodology involves the cyclization of 1-aroyl-3-arylthioureas with a variety of carbonyl compounds bearing alpha-H in the presen