78077-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78077-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,7 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78077-42:
(7*7)+(6*8)+(5*0)+(4*7)+(3*7)+(2*4)+(1*2)=156
156 % 10 = 6
So 78077-42-6 is a valid CAS Registry Number.