858268-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858268-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,6 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 858268-91:
(8*8)+(7*5)+(6*8)+(5*2)+(4*6)+(3*8)+(2*9)+(1*1)=224
224 % 10 = 4
So 858268-91-4 is a valid CAS Registry Number.