76242-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76242-78-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,4 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76242-78:
(7*7)+(6*6)+(5*2)+(4*4)+(3*2)+(2*7)+(1*8)=139
139 % 10 = 9
So 76242-78-9 is a valid CAS Registry Number.