71887-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71887-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,8 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71887-03:
(7*7)+(6*1)+(5*8)+(4*8)+(3*7)+(2*0)+(1*3)=151
151 % 10 = 1
So 71887-03-1 is a valid CAS Registry Number.