16899-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16899-02-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,9 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16899-02:
(7*1)+(6*6)+(5*8)+(4*9)+(3*9)+(2*0)+(1*2)=148
148 % 10 = 8
So 16899-02-8 is a valid CAS Registry Number.