857548-34-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857548-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,4 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857548-34:
(8*8)+(7*5)+(6*7)+(5*5)+(4*4)+(3*8)+(2*3)+(1*4)=216
216 % 10 = 6
So 857548-34-6 is a valid CAS Registry Number.