857234-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857234-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,3 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857234-58:
(8*8)+(7*5)+(6*7)+(5*2)+(4*3)+(3*4)+(2*5)+(1*8)=193
193 % 10 = 3
So 857234-58-3 is a valid CAS Registry Number.