876709-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 876709-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,6,7,0 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 876709-84:
(8*8)+(7*7)+(6*6)+(5*7)+(4*0)+(3*9)+(2*8)+(1*4)=231
231 % 10 = 1
So 876709-84-1 is a valid CAS Registry Number.