3,4-Pyridinedicarboxylic acid, 5-methoxy-6-methyl-, also known as 5-methoxy-6-methyl-3,4-pyridinedicarboxylic acid, is an organic compound with the chemical formula C9H9NO5. It is a derivative of pyridine, a heterocyclic aromatic compound containing a nitrogen atom in a six-membered ring. The molecule features two carboxyl groups (-COOH) at the 3 and 4 positions, a methoxy group (-OCH3) at the 5 position, and a methyl group (-CH3) at the 6 position. 3,4-Pyridinedicarboxylic acid, 5-methoxy-6-methyl- is a white crystalline solid and is soluble in water and polar organic solvents. It has potential applications in the synthesis of various pharmaceuticals, agrochemicals, and other chemical products due to its unique structure and properties.
The CAS Registry Mumber 7442-22-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,4 and 2 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 7442-22: (6*7)+(5*4)+(4*4)+(3*2)+(2*2)+(1*2)=90 90 % 10 = 0 So 7442-22-0 is a valid CAS Registry Number.