873441-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873441-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,4,4 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873441-49:
(8*8)+(7*7)+(6*3)+(5*4)+(4*4)+(3*1)+(2*4)+(1*9)=187
187 % 10 = 7
So 873441-49-7 is a valid CAS Registry Number.