91-98-5 Usage
General Description
The chemical alpha-(N-ethyl-m-toluidino)-m-toluenesulphonic acid, also known as toluidine blue, is a cationic thiazine dye commonly used in the field of histology and microbiology. It is often utilized as a staining agent to visualize acidic structures within cells, such as nuclei, granules, and cartilage. Additionally, it is also used in the textile industry as a dye for fabrics and in the medical field for the detection of injuries to the cornea. Toluidine blue is known for its ability to bind to acidic components, making it a valuable tool for studying cell structures and components. However, it should be handled with caution due to its potential for skin and eye irritation, as well as its potential for harmful effects if ingested or inhaled.
Check Digit Verification of cas no
The CAS Registry Mumber 91-98-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91-98:
(4*9)+(3*1)+(2*9)+(1*8)=65
65 % 10 = 5
So 91-98-5 is a valid CAS Registry Number.
91-98-5Relevant articles and documents
METHOD FOR PRODUCING ETHYL ANILINO TOLUENE SULFONIC ACID DERIVATIVE
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, (2021/02/25)
To provide a method for producing an ethyl anilino toluene sulfonic acid derivative or a salt thereof, which is an intermediate for obtaining BBG or the like.SOLUTION: The present invention relates to a production method based on the following scheme.SELECTED DRAWING: None
