858202-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858202-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,0 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 858202-90:
(8*8)+(7*5)+(6*8)+(5*2)+(4*0)+(3*2)+(2*9)+(1*0)=181
181 % 10 = 1
So 858202-90-1 is a valid CAS Registry Number.