1212279-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212279-16-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,2,7 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1212279-16:
(9*1)+(8*2)+(7*1)+(6*2)+(5*2)+(4*7)+(3*9)+(2*1)+(1*6)=117
117 % 10 = 7
So 1212279-16-7 is a valid CAS Registry Number.