869855-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869855-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,8,5 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 869855-90:
(8*8)+(7*6)+(6*9)+(5*8)+(4*5)+(3*5)+(2*9)+(1*0)=253
253 % 10 = 3
So 869855-90-3 is a valid CAS Registry Number.