4-amino-naphthalene-1-thiol is an organic compound with the chemical formula C10H8N2S. It is a derivative of naphthalene, featuring an amino group (-NH2) at the 4-position and a thiol group (-SH) at the 1-position. This yellow crystalline solid is soluble in water and has a molecular weight of 188.25 g/mol. It is primarily used as an intermediate in the synthesis of various dyes, pharmaceuticals, and agrochemicals. Due to its reactivity, 4-amino-naphthalene-1-thiol can undergo various chemical reactions, such as oxidation, substitution, and condensation, making it a versatile building block in organic chemistry.
The CAS Registry Mumber 1198-10-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,9 and 8 respectively; the second part has 2 digits, 1 and 0 respectively. Calculate Digit Verification of CAS Registry Number 1198-10: (6*1)+(5*1)+(4*9)+(3*8)+(2*1)+(1*0)=73 73 % 10 = 3 So 1198-10-3 is a valid CAS Registry Number.