2948-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2948-49-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,4 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2948-49:
(6*2)+(5*9)+(4*4)+(3*8)+(2*4)+(1*9)=114
114 % 10 = 4
So 2948-49-4 is a valid CAS Registry Number.