77501-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77501-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,0 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77501-89:
(7*7)+(6*7)+(5*5)+(4*0)+(3*1)+(2*8)+(1*9)=144
144 % 10 = 4
So 77501-89-4 is a valid CAS Registry Number.
77501-89-4Relevant articles and documents
Nitrodiphenyl ether herbicides
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, (2008/06/13)
Compounds of the formula: STR1 wherein X is hydrogen, halo, trihalomethyl, alkyl, nitro, or cyano; X1 is hydrogen, halo, or trihalomethyl; X2 is trihalomethyl or halo; Y is O, S, NH or NR1 ; R1 and R2