"Blue 1A", also known as Brilliant Blue FCF, is a synthetic food dye belonging to the azo class, characterized by its bright blue color. It is widely used in various food products, beverages, and pharmaceuticals to enhance their visual appeal. The chemical structure of Blue 1A consists of a diazo component and a coupler, which combine to form the dye. It is soluble in water and has a high tinctorial strength, meaning it can impart color with a small amount of the substance. However, it is important to note that the use of Blue 1A is regulated in many countries due to potential health concerns, and it is banned in some regions, such as the European Union, due to links to allergic reactions and other adverse effects.
The CAS Registry Mumber 1341-92-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,4 and 1 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 1341-92: (6*1)+(5*3)+(4*4)+(3*1)+(2*9)+(1*2)=60 60 % 10 = 0 So 1341-92-0 is a valid CAS Registry Number.