65148-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65148-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,4 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65148-91:
(7*6)+(6*5)+(5*1)+(4*4)+(3*8)+(2*9)+(1*1)=136
136 % 10 = 6
So 65148-91-6 is a valid CAS Registry Number.