78907-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78907-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,0 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78907-81:
(7*7)+(6*8)+(5*9)+(4*0)+(3*7)+(2*8)+(1*1)=180
180 % 10 = 0
So 78907-81-0 is a valid CAS Registry Number.