871507-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871507-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,5,0 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 871507-90:
(8*8)+(7*7)+(6*1)+(5*5)+(4*0)+(3*7)+(2*9)+(1*0)=183
183 % 10 = 3
So 871507-90-3 is a valid CAS Registry Number.