73812-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73812-67-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,1 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73812-67:
(7*7)+(6*3)+(5*8)+(4*1)+(3*2)+(2*6)+(1*7)=136
136 % 10 = 6
So 73812-67-6 is a valid CAS Registry Number.