3611-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3611-25-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,1 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3611-25:
(6*3)+(5*6)+(4*1)+(3*1)+(2*2)+(1*5)=64
64 % 10 = 4
So 3611-25-4 is a valid CAS Registry Number.