1303574-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1303574-90-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,3,5,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1303574-90:
(9*1)+(8*3)+(7*0)+(6*3)+(5*5)+(4*7)+(3*4)+(2*9)+(1*0)=134
134 % 10 = 4
So 1303574-90-4 is a valid CAS Registry Number.