2,3,4-Pyridine tricarboxylic acid, also known as picolinic acid, is an organic compound with the chemical formula C6H4NO4. It is a white crystalline solid that is soluble in water and has a melting point of 235-237°C. 2,3,4-pyridine tricarboxylic acid is a heterocyclic aromatic carboxylic acid, featuring a pyridine ring with three carboxylic acid groups attached at the 2, 3, and 4 positions. Picolinic acid is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is also a natural metabolite found in plants and animals, playing a role in the metabolism of tryptophan and niacin. The compound has various applications, including as a chelating agent, a reagent in analytical chemistry, and a precursor in the synthesis of dyes and pigments.
The CAS Registry Mumber 632-95-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,3 and 2 respectively; the second part has 2 digits, 9 and 5 respectively. Calculate Digit Verification of CAS Registry Number 632-95: (5*6)+(4*3)+(3*2)+(2*9)+(1*5)=71 71 % 10 = 1 So 632-95-1 is a valid CAS Registry Number.