665025-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 665025-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,5,0,2 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 665025-34:
(8*6)+(7*6)+(6*5)+(5*0)+(4*2)+(3*5)+(2*3)+(1*4)=153
153 % 10 = 3
So 665025-34-3 is a valid CAS Registry Number.