1621005-01-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1621005-01-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,0,0 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1621005-01:
(9*1)+(8*6)+(7*2)+(6*1)+(5*0)+(4*0)+(3*5)+(2*0)+(1*1)=93
93 % 10 = 3
So 1621005-01-3 is a valid CAS Registry Number.