1177286-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177286-61-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,2,8 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1177286-61:
(9*1)+(8*1)+(7*7)+(6*7)+(5*2)+(4*8)+(3*6)+(2*6)+(1*1)=181
181 % 10 = 1
So 1177286-61-1 is a valid CAS Registry Number.