16387-86-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16387-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,3,8 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16387-86:
(7*1)+(6*6)+(5*3)+(4*8)+(3*7)+(2*8)+(1*6)=133
133 % 10 = 3
So 16387-86-3 is a valid CAS Registry Number.