18400-61-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18400-61-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,0 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18400-61:
(7*1)+(6*8)+(5*4)+(4*0)+(3*0)+(2*6)+(1*1)=88
88 % 10 = 8
So 18400-61-8 is a valid CAS Registry Number.