76109-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76109-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,0 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76109-38:
(7*7)+(6*6)+(5*1)+(4*0)+(3*9)+(2*3)+(1*8)=131
131 % 10 = 1
So 76109-38-1 is a valid CAS Registry Number.