6761-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6761-07-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,6 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6761-07:
(6*6)+(5*7)+(4*6)+(3*1)+(2*0)+(1*7)=105
105 % 10 = 5
So 6761-07-5 is a valid CAS Registry Number.