871938-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871938-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,9,3 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871938-44:
(8*8)+(7*7)+(6*1)+(5*9)+(4*3)+(3*8)+(2*4)+(1*4)=212
212 % 10 = 2
So 871938-44-2 is a valid CAS Registry Number.