1858-02-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1858-02-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,5 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1858-02:
(6*1)+(5*8)+(4*5)+(3*8)+(2*0)+(1*2)=92
92 % 10 = 2
So 1858-02-2 is a valid CAS Registry Number.