857345-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857345-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,3,4 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 857345-56:
(8*8)+(7*5)+(6*7)+(5*3)+(4*4)+(3*5)+(2*5)+(1*6)=203
203 % 10 = 3
So 857345-56-3 is a valid CAS Registry Number.