1621085-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1621085-58-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,0,8 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1621085-58:
(9*1)+(8*6)+(7*2)+(6*1)+(5*0)+(4*8)+(3*5)+(2*5)+(1*8)=142
142 % 10 = 2
So 1621085-58-2 is a valid CAS Registry Number.