1019543-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1019543-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,5,4 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1019543-38:
(9*1)+(8*0)+(7*1)+(6*9)+(5*5)+(4*4)+(3*3)+(2*3)+(1*8)=134
134 % 10 = 4
So 1019543-38-4 is a valid CAS Registry Number.