67102-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67102-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,0 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67102-77:
(7*6)+(6*7)+(5*1)+(4*0)+(3*2)+(2*7)+(1*7)=116
116 % 10 = 6
So 67102-77-6 is a valid CAS Registry Number.