1807009-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1807009-09-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,0,0 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1807009-09:
(9*1)+(8*8)+(7*0)+(6*7)+(5*0)+(4*0)+(3*9)+(2*0)+(1*9)=151
151 % 10 = 1
So 1807009-09-1 is a valid CAS Registry Number.