303769-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303769-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,7,6 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 303769-65:
(8*3)+(7*0)+(6*3)+(5*7)+(4*6)+(3*9)+(2*6)+(1*5)=145
145 % 10 = 5
So 303769-65-5 is a valid CAS Registry Number.