87580-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87580-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,8 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87580-12:
(7*8)+(6*7)+(5*5)+(4*8)+(3*0)+(2*1)+(1*2)=159
159 % 10 = 9
So 87580-12-9 is a valid CAS Registry Number.