4290-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4290-58-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,9 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4290-58:
(6*4)+(5*2)+(4*9)+(3*0)+(2*5)+(1*8)=88
88 % 10 = 8
So 4290-58-8 is a valid CAS Registry Number.