1500-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1500-26-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,0 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1500-26:
(6*1)+(5*5)+(4*0)+(3*0)+(2*2)+(1*6)=41
41 % 10 = 1
So 1500-26-1 is a valid CAS Registry Number.