99242-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99242-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,4 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99242-16:
(7*9)+(6*9)+(5*2)+(4*4)+(3*2)+(2*1)+(1*6)=157
157 % 10 = 7
So 99242-16-7 is a valid CAS Registry Number.