305849-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305849-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,8,4 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 305849-50:
(8*3)+(7*0)+(6*5)+(5*8)+(4*4)+(3*9)+(2*5)+(1*0)=147
147 % 10 = 7
So 305849-50-7 is a valid CAS Registry Number.