158330-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158330-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,3 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158330-53:
(8*1)+(7*5)+(6*8)+(5*3)+(4*3)+(3*0)+(2*5)+(1*3)=131
131 % 10 = 1
So 158330-53-1 is a valid CAS Registry Number.