1557084-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1557084-43-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,7,0,8 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1557084-43:
(9*1)+(8*5)+(7*5)+(6*7)+(5*0)+(4*8)+(3*4)+(2*4)+(1*3)=181
181 % 10 = 1
So 1557084-43-1 is a valid CAS Registry Number.