874907-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874907-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,9,0 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 874907-81:
(8*8)+(7*7)+(6*4)+(5*9)+(4*0)+(3*7)+(2*8)+(1*1)=220
220 % 10 = 0
So 874907-81-0 is a valid CAS Registry Number.