1178697-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1178697-58-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,8,6,9 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1178697-58:
(9*1)+(8*1)+(7*7)+(6*8)+(5*6)+(4*9)+(3*7)+(2*5)+(1*8)=219
219 % 10 = 9
So 1178697-58-9 is a valid CAS Registry Number.