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Sulfanilic acid

USP/1633506 - United States Pharmacopeia (USP) Reference Standard

Synonym: 4-Aminobenzenesulfonic acid; Aniline-4-sulfonic acid

CAS Number: 121-57-3
Empirical Formula (Hill Notation): C6H7NO3S
Molecular Weight: 173.19
MDL Number: MFCD00007886
Linear Formula: 4-(H2N)C6H4SO3H
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-1633506-200MG 200 mg
 $1200.00
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API family mesalazine, sulfadimethoxine, sulfadiazine
application(s) pharmaceutical (small molecule)
density 1.4862 g/cm3 at 20 °C (OECD Test Guideline 109)
format neat
grade pharmaceutical primary standard
InChI 1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChI key HVBSAKJJOYLTQU-UHFFFAOYSA-N
manufacturer/tradename USP
mp >300 °C (lit.)
SMILES string Nc1ccc(cc1)S(O)(=O)=O
solubility water: soluble 12.51 g/L at 20 °C
Analysis Note: These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​
Application: Sulfanilic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
•  Silver Sulfadiazine
•  Sulfamethoxazole
•  Sulfamethoxazole and Trimethoprim Injection
General description: This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia .
Other Notes: Sales restrictions may apply.
mp >300 °C (lit.)
Density 1.4862 g/cm3 at 20 °C (OECD Test Guideline 109)
UNSPSC 41116107

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