683196-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683196-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,1,9 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 683196-30:
(8*6)+(7*8)+(6*3)+(5*1)+(4*9)+(3*6)+(2*3)+(1*0)=187
187 % 10 = 7
So 683196-30-7 is a valid CAS Registry Number.