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Methyl-4-methyl-3-sulfamoylphenylsulfon, also known as 4-methyl-3-sulfamoylbenzenesulfonic acid methyl ester, is an organic compound with the chemical formula C8H11NO4S2. It is a derivative of sulfonamide, featuring a methyl group attached to the sulfonamide nitrogen, a methyl group on the benzene ring, and a methyl ester group. Methyl-4-methyl-3-sulfamoylphenylsulfon is characterized by its potential use as a chemical intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those involving sulfonamide-based structures. Its chemical properties include reactivity with nucleophiles due to the presence of the electrophilic sulfonamide group, which can form important bonds in the synthesis of target molecules.

1671-20-1

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1671-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1671-20-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1671-20:
(6*1)+(5*6)+(4*7)+(3*1)+(2*2)+(1*0)=71
71 % 10 = 1
So 1671-20-1 is a valid CAS Registry Number.

1671-20-1Relevant academic research and scientific papers

Design and synthesis of N-alkylated saccharins as selective α-1a adrenergic receptor antagonists

Nerenberg, Jennie B.,Erb, Jill M.,Thompson, Wayne J.,Lee, Hee-Yoon,Guare, James P.,Munson, Peter M.,Bergman, Jeffrey M.,Huff, Joel R.,Broten, Theodore P.,Chang, Raymond S. L.,Chen, Tsing B.,O'Malley, Stacey,Schorn, Terry W.,Scott, Ann L.

, p. 2467 - 2472 (1998)

Benign prostatic hyperplasia can be managed pharmacologically with α-1 adrenergic receptor antagonists. Agents that demonstrate selectivity for the α-la receptor subtype may offer advantages in clinical applications with respect to hypotensive side effect

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