1601-02-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1601-02-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,0 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1601-02:
(6*1)+(5*6)+(4*0)+(3*1)+(2*0)+(1*2)=41
41 % 10 = 1
So 1601-02-1 is a valid CAS Registry Number.