871895-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871895-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,9 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 871895-19:
(8*8)+(7*7)+(6*1)+(5*8)+(4*9)+(3*5)+(2*1)+(1*9)=221
221 % 10 = 1
So 871895-19-1 is a valid CAS Registry Number.