1209650-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1209650-84-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,6,5 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1209650-84:
(9*1)+(8*2)+(7*0)+(6*9)+(5*6)+(4*5)+(3*0)+(2*8)+(1*4)=149
149 % 10 = 9
So 1209650-84-9 is a valid CAS Registry Number.