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Neoprontosil, also known as prontosil, is a synthetic chemical compound that was the first-ever mass-produced and widely used sulfonamide antibiotic. Discovered in 1932 by German researchers Gerhard Domagk and Fritz Mietzsch, it was initially developed as a red dye and later found to have antibacterial properties. Neoprontosil works by inhibiting bacterial growth by interfering with the synthesis of folic acid, an essential component for bacterial reproduction. Its discovery marked a significant milestone in the field of medicine, paving the way for the development of other sulfonamide antibiotics and ultimately leading to the modern era of antibiotic therapy.

132-38-7

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132-38-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132-38-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,3 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 132-38:
(5*1)+(4*3)+(3*2)+(2*3)+(1*8)=37
37 % 10 = 7
So 132-38-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N4O10S3.2Na/c1-9(23)20-14-8-13-10(6-15(14)34(27,28)29)7-16(35(30,31)32)17(18(13)24)22-21-11-2-4-12(5-3-11)33(19,25)26;;/h2-8,21H,1H3,(H,20,23)(H2,19,25,26)(H,27,28,29)(H,30,31,32);;/q;2*+1/p-2/b22-17+;;

132-38-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-acetylamino-4-hydroxy-3-(4-sulfamoyl-phenylazo)-naphthalene-2,7-disulfonic acid

1.2 Other means of identification

Product number -
Other names 2-(4-Sulfonylphenylazo)-7-acetamido-1-hydroxynaphthalen-3.6-disulfonat

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:132-38-7 SDS

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