321948-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321948-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,4 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 321948-05:
(8*3)+(7*2)+(6*1)+(5*9)+(4*4)+(3*8)+(2*0)+(1*5)=134
134 % 10 = 4
So 321948-05-4 is a valid CAS Registry Number.