1212402-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212402-67-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,4,0 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1212402-67:
(9*1)+(8*2)+(7*1)+(6*2)+(5*4)+(4*0)+(3*2)+(2*6)+(1*7)=89
89 % 10 = 9
So 1212402-67-9 is a valid CAS Registry Number.