127731-69-5 Usage
General Description
1-(benzyloxy)-9H-xanthen-9-one, also known as Rhodamine B, is a chemical compound with the molecular formula C25H16O3. It is commonly used as a fluorescent dye in various biochemical and cell biology research applications, as well as in the manufacturing of inks, textiles, and plastics. Rhodamine B exhibits a bright pink to red fluorescence when exposed to light, making it useful in fluorescence microscopy and flow cytometry. It is also known for its use in the staining of textiles and inks, where it imparts a vibrant pink color. However, it has been found to be toxic and potentially carcinogenic, leading to restrictions on its use in certain consumer products.
Check Digit Verification of cas no
The CAS Registry Mumber 127731-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,3 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127731-69:
(8*1)+(7*2)+(6*7)+(5*7)+(4*3)+(3*1)+(2*6)+(1*9)=135
135 % 10 = 5
So 127731-69-5 is a valid CAS Registry Number.
