857153-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857153-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,1,5 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857153-72:
(8*8)+(7*5)+(6*7)+(5*1)+(4*5)+(3*3)+(2*7)+(1*2)=191
191 % 10 = 1
So 857153-72-1 is a valid CAS Registry Number.