676549-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676549-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,5,4 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 676549-30:
(8*6)+(7*7)+(6*6)+(5*5)+(4*4)+(3*9)+(2*3)+(1*0)=207
207 % 10 = 7
So 676549-30-7 is a valid CAS Registry Number.