2550-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2550-46-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,5 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2550-46:
(6*2)+(5*5)+(4*5)+(3*0)+(2*4)+(1*6)=71
71 % 10 = 1
So 2550-46-1 is a valid CAS Registry Number.