866941-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866941-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,9,4 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 866941-90:
(8*8)+(7*6)+(6*6)+(5*9)+(4*4)+(3*1)+(2*9)+(1*0)=224
224 % 10 = 4
So 866941-90-4 is a valid CAS Registry Number.