Skip to Content
Merck
All Photos(3)

Key Documents

More Documents

84737

Sigma-Aldrich

Sulfur trioxide pyridine complex

technical, ≥45% SO3 basis

Synonym(s):

NSC 75831, Pyridine sulfur trioxide complex

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Empirical Formula (Hill Notation):
C5H5NO3S
CAS Number:
26412-87-3
Molecular Weight:
159.16
Beilstein:
3704116
EC Number:
247-683-3
MDL number:
MFCD00012437
UNSPSC Code:
12352303
PubChem Substance ID:
57653020
NACRES:
NA.22

Quality Level

200

grade

technical

form

powder

reaction suitability

reagent type: oxidant

concentration

≥45% (SO3)

ign. residue

≤0.05%

mp

154-170 °C

SMILES string

O=S(=O)=O.c1ccncc1

InChI

1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;

InChI key

UDYFLDICVHJSOY-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

  • Sulfation agent

Reactant for:
  • Preparation of azido anologs of pregnanolone
  • Sulfate esters of morphine derivatives
  • Gold nanoparticles capped with sulfate-ended ligands as anti-HIV agents
Sulfur trioxide pyridine complex is mainly a sulfation agent that can be used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with DMSO.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 - H315 - H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Studies on Selectin Blocker. 1. Structure- Activity Relationships of Sialyl Lewis X Analogs.
Ohmoto H, et al.
Journal of Medicinal Chemistry, 39(6), 1339-1343 (1996)
G.A. Olah et al.
Synthesis, 59-59 (1979)
In vitro and in vivo selectin-blocking activities of sulfated lipids and sulfated sialyl compounds.
Mulligan MS, et al.
International Immunology, 10(5), 569-575 (1998)
Synthesis, 984-984 (1979)
Sulfated hyaluronan derivatives reduce the proliferation rate of primary rat calvarial osteoblasts.
Kunze R, et al.
Glycoconjugate Journal, 27(1), 151-158 (2010)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service