81936-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81936-02-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,3 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81936-02:
(7*8)+(6*1)+(5*9)+(4*3)+(3*6)+(2*0)+(1*2)=139
139 % 10 = 9
So 81936-02-9 is a valid CAS Registry Number.