78210-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78210-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,1 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78210-30:
(7*7)+(6*8)+(5*2)+(4*1)+(3*0)+(2*3)+(1*0)=117
117 % 10 = 7
So 78210-30-7 is a valid CAS Registry Number.