61439-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61439-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,4,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61439-23:
(7*6)+(6*1)+(5*4)+(4*3)+(3*9)+(2*2)+(1*3)=114
114 % 10 = 4
So 61439-23-4 is a valid CAS Registry Number.
61439-23-4Relevant academic research and scientific papers
N-aryl-N'-(2,3-dihalogeno-alkanoyl)-ureas
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, (2008/06/13)
N-Aryl- or -heteroaryl-N'-(2,3-dihalogeno-alkanoyl)-ureas of the formula STR1 in which R and R' each independently is hydrogen or alkyl, R" is optionally substituted aryl or heteroaryl, R'" is hydrogen, optionally substituted alkyl, cycloalkyl or benzyl,