1177199-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177199-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,1,9 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1177199-20:
(9*1)+(8*1)+(7*7)+(6*7)+(5*1)+(4*9)+(3*9)+(2*2)+(1*0)=180
180 % 10 = 0
So 1177199-20-0 is a valid CAS Registry Number.