183804-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183804-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,0 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 183804-47:
(8*1)+(7*8)+(6*3)+(5*8)+(4*0)+(3*4)+(2*4)+(1*7)=149
149 % 10 = 9
So 183804-47-9 is a valid CAS Registry Number.