183290-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183290-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,2,9 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 183290-51:
(8*1)+(7*8)+(6*3)+(5*2)+(4*9)+(3*0)+(2*5)+(1*1)=139
139 % 10 = 9
So 183290-51-9 is a valid CAS Registry Number.