857472-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857472-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,4,7 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857472-40:
(8*8)+(7*5)+(6*7)+(5*4)+(4*7)+(3*2)+(2*4)+(1*0)=203
203 % 10 = 3
So 857472-40-3 is a valid CAS Registry Number.