1259974-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1259974-28-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,9,7 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1259974-28:
(9*1)+(8*2)+(7*5)+(6*9)+(5*9)+(4*7)+(3*4)+(2*2)+(1*8)=211
211 % 10 = 1
So 1259974-28-1 is a valid CAS Registry Number.