1212103-92-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212103-92-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,0 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1212103-92:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*0)+(3*3)+(2*9)+(1*2)=78
78 % 10 = 8
So 1212103-92-8 is a valid CAS Registry Number.