99708-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99708-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,0 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99708-69:
(7*9)+(6*9)+(5*7)+(4*0)+(3*8)+(2*6)+(1*9)=197
197 % 10 = 7
So 99708-69-7 is a valid CAS Registry Number.