400747-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 400747-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,0,7,4 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 400747-91:
(8*4)+(7*0)+(6*0)+(5*7)+(4*4)+(3*7)+(2*9)+(1*1)=123
123 % 10 = 3
So 400747-91-3 is a valid CAS Registry Number.