40135-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40135-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,3 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40135-54:
(7*4)+(6*0)+(5*1)+(4*3)+(3*5)+(2*5)+(1*4)=74
74 % 10 = 4
So 40135-54-4 is a valid CAS Registry Number.