858203-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858203-41-5 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 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 858203-41:
(8*8)+(7*5)+(6*8)+(5*2)+(4*0)+(3*3)+(2*4)+(1*1)=175
175 % 10 = 5
So 858203-41-5 is a valid CAS Registry Number.