1807380-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1807380-83-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,3,8 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1807380-83:
(9*1)+(8*8)+(7*0)+(6*7)+(5*3)+(4*8)+(3*0)+(2*8)+(1*3)=181
181 % 10 = 1
So 1807380-83-1 is a valid CAS Registry Number.