309295-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309295-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,2,9 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 309295-50:
(8*3)+(7*0)+(6*9)+(5*2)+(4*9)+(3*5)+(2*5)+(1*0)=149
149 % 10 = 9
So 309295-50-9 is a valid CAS Registry Number.