182159-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 182159-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,1,5 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 182159-69:
(8*1)+(7*8)+(6*2)+(5*1)+(4*5)+(3*9)+(2*6)+(1*9)=149
149 % 10 = 9
So 182159-69-9 is a valid CAS Registry Number.