306978-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306978-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,9,7 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 306978-48:
(8*3)+(7*0)+(6*6)+(5*9)+(4*7)+(3*8)+(2*4)+(1*8)=173
173 % 10 = 3
So 306978-48-3 is a valid CAS Registry Number.