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Merck
CN

1636005

USP

Sulfasalazine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2-Hydroxy-5-{{4-[(2-pyridinylamino)sulfonyl]phenyl}azo}benzoic acid, 5-[4-(2-Pyridylsulfamoyl)phenylazo]salicylic acid, Salicylazosulfapyridine

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About This Item

Empirical Formula (Hill Notation):
C18H14N4O5S
CAS Number:
599-79-1
Molecular Weight:
398.39
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329751196
MDL number:
MFCD00057363
Beilstein/REAXYS Number:
356241

Key Documents

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Product Name

Sulfasalazine, United States Pharmacopeia (USP) Reference Standard

InChI key

NCEXYHBECQHGNR-QZQOTICOSA-N

SMILES string

OC(=O)c1cc(ccc1O)\N=N\c2ccc(cc2)S(=O)(=O)Nc3ccccn3

InChI

1S/C18H14N4O5S/c23-16-9-6-13(11-15(16)18(24)25)21-20-12-4-7-14(8-5-12)28(26,27)22-17-3-1-2-10-19-17/h1-11,23H,(H,19,22)(H,24,25)/b21-20+

grade

pharmaceutical primary standard

API family

sulfasalazine

manufacturer/tradename

USP

mp

260-265 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

Gene Information

human ... ALOX5(240), PTGS1(5742), PTGS2(5743)

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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

Sulfasalazine 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:
  • Sulfasalazine Tablets
  • Sulfasalazine Delayed-Release Tablets

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.

pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Carc. 2 - Repr. 2 - Resp. Sens. 1 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 2

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