1336931-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1336931-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,6,9,3 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1336931-33:
(9*1)+(8*3)+(7*3)+(6*6)+(5*9)+(4*3)+(3*1)+(2*3)+(1*3)=159
159 % 10 = 9
So 1336931-33-9 is a valid CAS Registry Number.