149837-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149837-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,8,3 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 149837-85:
(8*1)+(7*4)+(6*9)+(5*8)+(4*3)+(3*7)+(2*8)+(1*5)=184
184 % 10 = 4
So 149837-85-4 is a valid CAS Registry Number.