871949-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871949-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,9,4 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 871949-46:
(8*8)+(7*7)+(6*1)+(5*9)+(4*4)+(3*9)+(2*4)+(1*6)=221
221 % 10 = 1
So 871949-46-1 is a valid CAS Registry Number.