4-Thiocyanatopyridine is an organic compound with the chemical formula C6H4NS. It is a derivative of pyridine, a heterocyclic aromatic compound, where a thiocyanate group (-SCN) is attached to the 4th carbon position. This yellow crystalline solid is soluble in organic solvents and has a melting point of approximately 54-56°C. 4-Thiocyanatopyridine is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is also employed in the preparation of dyes and pigments. Due to its reactivity, it is essential to handle 4-thiocyanatopyridine with care, as it may cause irritation to the skin, eyes, and respiratory system.
The CAS Registry Mumber 2637-36-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,3 and 7 respectively; the second part has 2 digits, 3 and 6 respectively. Calculate Digit Verification of CAS Registry Number 2637-36: (6*2)+(5*6)+(4*3)+(3*7)+(2*3)+(1*6)=87 87 % 10 = 7 So 2637-36-7 is a valid CAS Registry Number.