1558030-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1558030-50-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,8,0,3 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1558030-50:
(9*1)+(8*5)+(7*5)+(6*8)+(5*0)+(4*3)+(3*0)+(2*5)+(1*0)=154
154 % 10 = 4
So 1558030-50-4 is a valid CAS Registry Number.