98542-44-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98542-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,4 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98542-44:
(7*9)+(6*8)+(5*5)+(4*4)+(3*2)+(2*4)+(1*4)=170
170 % 10 = 0
So 98542-44-0 is a valid CAS Registry Number.