165550-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 165550-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,5,5 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 165550-99:
(8*1)+(7*6)+(6*5)+(5*5)+(4*5)+(3*0)+(2*9)+(1*9)=152
152 % 10 = 2
So 165550-99-2 is a valid CAS Registry Number.