1538609-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1538609-67-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,8,6,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1538609-67:
(9*1)+(8*5)+(7*3)+(6*8)+(5*6)+(4*0)+(3*9)+(2*6)+(1*7)=194
194 % 10 = 4
So 1538609-67-4 is a valid CAS Registry Number.