65844-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65844-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,8,4 and 4 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 65844-07:
(7*6)+(6*5)+(5*8)+(4*4)+(3*4)+(2*0)+(1*7)=147
147 % 10 = 7
So 65844-07-7 is a valid CAS Registry Number.