NIACIN - (59-67-6)

introduction

prénom: niacin; pyridine-3-carboxylic acid*; vitamin B3
* IUPAC
Numero CAS: 59-67-6
Formule chimique: C6H5NO2
Masse molaire: 123.1094 g
Pourcentage de masse: C 58.536 %; H 4.0936 %; N 11.377 %; O 25.992 % 
isomères:  p-benzoquinone monoxime  •  nitrobenzene

Classification

Usages / Fonction

• "A member of the vitamin B complex; used for the prevention and treatment of pellagra. It occurs naturally in liver, yeast, milk, cheese, and cereals." 1

Bonding

Obligations doubles: 4
Obligations Triple: 0
Obligations Sigma: 14
Obligations Pi: 4
Total: 18
carboxyl Groupes: 1
Les groupes hydroxylés: 0

Réactions

Pour plus d'informations

Sources

(1) - Taber's Cyclopedic Medical Dictionary, 18th ed.; F. A. David Company: Philadelphia, PA, 1997; p 22.
(2) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; p 138.