5749-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5749-40-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,4 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5749-40:
(6*5)+(5*7)+(4*4)+(3*9)+(2*4)+(1*0)=116
116 % 10 = 6
So 5749-40-6 is a valid CAS Registry Number.