306748-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306748-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,7,4 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 306748-50:
(8*3)+(7*0)+(6*6)+(5*7)+(4*4)+(3*8)+(2*5)+(1*0)=145
145 % 10 = 5
So 306748-50-5 is a valid CAS Registry Number.