2236-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2236-18-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,3 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2236-18:
(6*2)+(5*2)+(4*3)+(3*6)+(2*1)+(1*8)=62
62 % 10 = 2
So 2236-18-2 is a valid CAS Registry Number.