1019580-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1019580-52-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,5,8 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1019580-52:
(9*1)+(8*0)+(7*1)+(6*9)+(5*5)+(4*8)+(3*0)+(2*5)+(1*2)=139
139 % 10 = 9
So 1019580-52-9 is a valid CAS Registry Number.