442513-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442513-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,5,1 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 442513-39:
(8*4)+(7*4)+(6*2)+(5*5)+(4*1)+(3*3)+(2*3)+(1*9)=125
125 % 10 = 5
So 442513-39-5 is a valid CAS Registry Number.
442513-39-5Relevant articles and documents
A convenient synthesis of 2-(alkylamino)pyridines
Krein, Douglas M.,Lowary, Todd L.
, p. 4965 - 4967 (2002)
The synthesis of a series of 2-(alkylamino) pyridines (1) in three steps from 2-aminopyridine (4) is reported. The products were obtained in 67-91% overal yield from 4.
