1250-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1250-99-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1250-99:
(6*1)+(5*2)+(4*5)+(3*0)+(2*9)+(1*9)=63
63 % 10 = 3
So 1250-99-3 is a valid CAS Registry Number.