1398504-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1398504-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,8,5,0 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1398504-37:
(9*1)+(8*3)+(7*9)+(6*8)+(5*5)+(4*0)+(3*4)+(2*3)+(1*7)=194
194 % 10 = 4
So 1398504-37-4 is a valid CAS Registry Number.