911657-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911657-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,6,5 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 911657-25:
(8*9)+(7*1)+(6*1)+(5*6)+(4*5)+(3*7)+(2*2)+(1*5)=165
165 % 10 = 5
So 911657-25-5 is a valid CAS Registry Number.