87530-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87530-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,3 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87530-78:
(7*8)+(6*7)+(5*5)+(4*3)+(3*0)+(2*7)+(1*8)=157
157 % 10 = 7
So 87530-78-7 is a valid CAS Registry Number.