157025-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157025-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,2 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157025-21:
(8*1)+(7*5)+(6*7)+(5*0)+(4*2)+(3*5)+(2*2)+(1*1)=113
113 % 10 = 3
So 157025-21-3 is a valid CAS Registry Number.