871022-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871022-14-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,0,2 and 2 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871022-14:
(8*8)+(7*7)+(6*1)+(5*0)+(4*2)+(3*2)+(2*1)+(1*4)=139
139 % 10 = 9
So 871022-14-9 is a valid CAS Registry Number.