133732-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133732-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,3 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133732-33:
(8*1)+(7*3)+(6*3)+(5*7)+(4*3)+(3*2)+(2*3)+(1*3)=109
109 % 10 = 9
So 133732-33-9 is a valid CAS Registry Number.