40135-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40135-33-9 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, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40135-33:
(7*4)+(6*0)+(5*1)+(4*3)+(3*5)+(2*3)+(1*3)=69
69 % 10 = 9
So 40135-33-9 is a valid CAS Registry Number.