1218124-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1218124-12-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,8,1,2 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1218124-12:
(9*1)+(8*2)+(7*1)+(6*8)+(5*1)+(4*2)+(3*4)+(2*1)+(1*2)=109
109 % 10 = 9
So 1218124-12-9 is a valid CAS Registry Number.