18866-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18866-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,6 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18866-39:
(7*1)+(6*8)+(5*8)+(4*6)+(3*6)+(2*3)+(1*9)=152
152 % 10 = 2
So 18866-39-2 is a valid CAS Registry Number.