72991-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72991-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,9 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72991-80:
(7*7)+(6*2)+(5*9)+(4*9)+(3*1)+(2*8)+(1*0)=161
161 % 10 = 1
So 72991-80-1 is a valid CAS Registry Number.
72991-80-1Relevant articles and documents
1,3-Diaryl-2-imino-imidazolidines and compositions thereof
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, (2008/06/13)
The invention relates to new compounds of the general formula (I), STR1 wherein R1 and R5 each represent a phenyl group, optionally substituted, R2 stands for hydrogen, formyl group, carboxy group, lower alkoxycarbonyl gro