RB202, also known as Rhodamine B, is a synthetic chemical compound belonging to the xanthene class. It is an orange crystalline powder that is soluble in water and ethanol, and it exhibits strong fluorescence. Rhodamine B is widely used as a dye in various applications, including textiles, plastics, and printing inks. It is also utilized as a pH indicator, with a color change from yellow to orange-red in acidic to basic solutions. However, it is important to note that Rhodamine B is classified as a hazardous substance due to its potential carcinogenic and toxic properties, and its use is restricted or banned in many countries.
The CAS Registry Mumber 5753-33-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,5 and 3 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 5753-33: (6*5)+(5*7)+(4*5)+(3*3)+(2*3)+(1*3)=103 103 % 10 = 3 So 5753-33-3 is a valid CAS Registry Number.