3775-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3775-03-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,7 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3775-03:
(6*3)+(5*7)+(4*7)+(3*5)+(2*0)+(1*3)=99
99 % 10 = 9
So 3775-03-9 is a valid CAS Registry Number.