99177-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99177-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,7 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99177-30:
(7*9)+(6*9)+(5*1)+(4*7)+(3*7)+(2*3)+(1*0)=177
177 % 10 = 7
So 99177-30-7 is a valid CAS Registry Number.