309274-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309274-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,2,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 309274-90:
(8*3)+(7*0)+(6*9)+(5*2)+(4*7)+(3*4)+(2*9)+(1*0)=146
146 % 10 = 6
So 309274-90-6 is a valid CAS Registry Number.