858443-64-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858443-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,4,4 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 858443-64:
(8*8)+(7*5)+(6*8)+(5*4)+(4*4)+(3*3)+(2*6)+(1*4)=208
208 % 10 = 8
So 858443-64-8 is a valid CAS Registry Number.