1174920-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1174920-58-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,4,9,2 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1174920-58:
(9*1)+(8*1)+(7*7)+(6*4)+(5*9)+(4*2)+(3*0)+(2*5)+(1*8)=161
161 % 10 = 1
So 1174920-58-1 is a valid CAS Registry Number.