132557-73-4 Usage
General Description
2,3,3-Trimethyl-3H-indole-5-sulfonic acid is a chemical compound with the molecular formula C11H13NO3S. It is a sulfonic acid that contains a substituted indole ring, with three methyl groups attached to the nitrogen atom. 2,3,3-Trimethyl-3H-indole-5-sulfonic acid is commonly used as an intermediate in the synthesis of pharmaceuticals and organic compounds. It is also used as a fluorescent marker in biological and chemical research. The presence of the sulfonic acid group makes it water-soluble, allowing it to be easily manipulated in various laboratory applications.
Check Digit Verification of cas no
The CAS Registry Mumber 132557-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,5,5 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 132557-73:
(8*1)+(7*3)+(6*2)+(5*5)+(4*5)+(3*7)+(2*7)+(1*3)=124
124 % 10 = 4
So 132557-73-4 is a valid CAS Registry Number.
InChI:InChI=1S/C11H13NO3S/c1-7-11(2,3)9-6-8(16(13,14)15)4-5-10(9)12-7/h4-6H,1-3H3,(H,13,14,15)