77075-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77075-13-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,7 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77075-13:
(7*7)+(6*7)+(5*0)+(4*7)+(3*5)+(2*1)+(1*3)=139
139 % 10 = 9
So 77075-13-9 is a valid CAS Registry Number.