73870-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73870-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,7 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73870-81:
(7*7)+(6*3)+(5*8)+(4*7)+(3*0)+(2*8)+(1*1)=152
152 % 10 = 2
So 73870-81-2 is a valid CAS Registry Number.