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74149-49-8

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74149-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74149-49-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,4 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74149-49:
(7*7)+(6*4)+(5*1)+(4*4)+(3*9)+(2*4)+(1*9)=138
138 % 10 = 8
So 74149-49-8 is a valid CAS Registry Number.

74149-49-8Downstream Products

74149-49-8Relevant articles and documents

Diazaindenes (Azaindoles). Part 7. Formation of Imidazopyridinium-8-carboxylate in an Attempt to prepare Pyrrolopyridin-3-one

Parrick, John,Wilcox, Russel,Kelly, Anthony H.

, p. 132 - 135 (2007/10/02)

Attempts to obtain N-(3-carboxy-2-pyridyl)glycine (5) from 2-chloro-3-cyanopyridine are described.The ring-chain tautomerism of certain N-(2-pyridyl)aminoacetaldehydes is discussed.Three preparations of N-3-(carboxy-2-pyridyl)aminoacetaldehyde (20) and its cyclisation to the zwitterionic imidazopyridinium-8-carboxylate (23) are given.

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