137073-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137073-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,7 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137073-83:
(8*1)+(7*3)+(6*7)+(5*0)+(4*7)+(3*3)+(2*8)+(1*3)=127
127 % 10 = 7
So 137073-83-7 is a valid CAS Registry Number.
137073-83-7Relevant academic research and scientific papers
1-phenylalkyl-3-phenylurea derivative
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, (2008/06/13)
A novel 1-phenylalkyl-3-phenylurea derivative represented by the following formula (I): STR1 wherein R1 and R5 represent independently hydrogen, C1 -C6 alkyl, C1 -C5 alkoxyl or halo; R