1747-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1747-35-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,4 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1747-35:
(6*1)+(5*7)+(4*4)+(3*7)+(2*3)+(1*5)=89
89 % 10 = 9
So 1747-35-9 is a valid CAS Registry Number.