133808-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133808-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,8,0 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 133808-39:
(8*1)+(7*3)+(6*3)+(5*8)+(4*0)+(3*8)+(2*3)+(1*9)=126
126 % 10 = 6
So 133808-39-6 is a valid CAS Registry Number.