1218776-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1218776-97-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,8,7,7 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1218776-97:
(9*1)+(8*2)+(7*1)+(6*8)+(5*7)+(4*7)+(3*6)+(2*9)+(1*7)=186
186 % 10 = 6
So 1218776-97-6 is a valid CAS Registry Number.