91-27-0 Usage
General Description
2-[(2-methoxyphenyl)amino]-5-nitrobenzenesulphonic acid, also known as MABA, is a synthetic chemical compound that belongs to the family of sulfonic acids. It is commonly used as a pH indicator in various laboratory applications due to its ability to change color in different pH ranges. MABA is often employed in the determination of metals and other substances in analytical chemistry procedures. It is a yellow to brownish crystalline powder at room temperature and can be dissolved in water. While MABA itself is not considered to be highly toxic, it is important to handle it with care and follow proper safety protocols when working with this chemical.
Check Digit Verification of cas no
The CAS Registry Mumber 91-27-0 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, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91-27:
(4*9)+(3*1)+(2*2)+(1*7)=50
50 % 10 = 0
So 91-27-0 is a valid CAS Registry Number.
InChI:InChI=1/C13H12N2O6S/c1-21-12-5-3-2-4-10(12)14-11-7-6-9(15(16)17)8-13(11)22(18,19)20/h2-8,14H,1H3,(H,18,19,20)
