82142-16-3 Usage
General Description
The chemical 2-[[4-(dimethylamino)phenyl]azo]-6-methoxy-3-methylbenzothiazolium thiocyanate, also known as Methylthioninium chloride, is a phenothiazine derivative and a cationic dye. It is commonly used as a staining agent in histology and microbiology for the visualization of cells and tissues. Methylthioninium chloride is also used in medicine as a medication to treat methemoglobinemia and as a dye for photodynamic therapy in cancer treatment. It has also shown potential in the treatment of Alzheimer's disease due to its ability to inhibit tau protein aggregation. However, it is important to handle this chemical with care, as it is toxic and can cause irritation to the eyes, skin, and respiratory system.
Check Digit Verification of cas no
The CAS Registry Mumber 82142-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,4 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82142-16:
(7*8)+(6*2)+(5*1)+(4*4)+(3*2)+(2*1)+(1*6)=103
103 % 10 = 3
So 82142-16-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H19N4OS.CHNS/c1-20(2)13-7-5-12(6-8-13)18-19-17-21(3)15-10-9-14(22-4)11-16(15)23-17;2-1-3/h5-11H,1-4H3;3H/q+1;/p-1
