871126-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871126-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,1,2 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 871126-31:
(8*8)+(7*7)+(6*1)+(5*1)+(4*2)+(3*6)+(2*3)+(1*1)=157
157 % 10 = 7
So 871126-31-7 is a valid CAS Registry Number.