99010-61-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99010-61-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,1 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99010-61:
(7*9)+(6*9)+(5*0)+(4*1)+(3*0)+(2*6)+(1*1)=134
134 % 10 = 4
So 99010-61-4 is a valid CAS Registry Number.