39209-33-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39209-33-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,2,0 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39209-33:
(7*3)+(6*9)+(5*2)+(4*0)+(3*9)+(2*3)+(1*3)=121
121 % 10 = 1
So 39209-33-1 is a valid CAS Registry Number.