9001-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9001-58-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 9001-58:
(6*9)+(5*0)+(4*0)+(3*1)+(2*5)+(1*8)=75
75 % 10 = 5
So 9001-58-5 is a valid CAS Registry Number.