13581-36-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13581-36-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,8 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13581-36:
(7*1)+(6*3)+(5*5)+(4*8)+(3*1)+(2*3)+(1*6)=97
97 % 10 = 7
So 13581-36-7 is a valid CAS Registry Number.