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67919-89-5

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67919-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67919-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,1 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67919-89:
(7*6)+(6*7)+(5*9)+(4*1)+(3*9)+(2*8)+(1*9)=185
185 % 10 = 5
So 67919-89-5 is a valid CAS Registry Number.

67919-89-5Upstream product

67919-89-5Relevant academic research and scientific papers

An efficient route to 5,5″-diaryl-2,2′:6′,2″- terpyridines through 2,6-bis(1,2,4-triazin-3-yl)pyridines

Kozhevnikov, Valery N.,Kozhevnikov, Dmitry N.,Shabunina, Olga V.,Rusinov, Vladimir L.,Chupakhin, Oleg N.

, p. 1521 - 1523 (2005)

A new route to substituted 2,2′:6′,2″-terpyridines based on a new method for the synthesis of substituted 2,6-bis(1,2,4-triazin-3-yl) pyridines and their inverse electron demand Diels-Alder reaction is shown to be an efficient strategy for the synthesis of structurally diverse terpyridine ligands.

An efficient route to 5-(hetero)aryl-2,4′- and 2,2′-bipyridines through readily available 3-pyridyl-1,2,4-triazines

Kozhevnikov, Valery N.,Kozhevnikov, Dmitry N.,Shabunina, Olga V.,Rusinov, Vladimir L.,Chupakhin, Oleg N.

, p. 1791 - 1793 (2007/10/03)

A new route to substituted bipyridines based on a new method for the synthesis of substituted 3-pyridyl-1,2,4-triazines and their aza-Diels-Alder reactions is shown to be an efficient strategy for the preparation of structurally diverse bipyridine ligands.

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