Skip to Content
Merck
All Photos(2)

Key Documents

A2918

Sigma-Aldrich

Azure A chloride

certified by the Biological Stain Commission

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C14H14ClN3S
CAS Number:
Molecular Weight:
291.80
Colour Index Number:
52005
Beilstein:
3922287
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

grade

certified by the Biological Stain Commission

Quality Level

form

powder

composition

Dye content, ≥75%

color

dark brown
green to very dark green

mp

290 °C (dec.) (lit.)

solubility

water: 1 mg/mL

suitability

suitable for (Certified for use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears.)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

NC1=CC(SC(C2=N3)=CC(C=C2)=[N+](C)C)=C3C=C1.[Cl-]

InChI

1S/C14H13N3S.ClH/c1-17(2)10-4-6-12-14(8-10)18-13-7-9(15)3-5-11(13)16-12;/h3-8,15H,1-2H3;1H

InChI key

NALREUIWICQLPS-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Suitability

Certified for use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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

J F Liang et al.
International journal of pharmaceutics, 202(1-2), 11-20 (2000-08-01)
A novel heparin/protamine-based approach for delivery of enzyme drugs without associated toxic effects has been proposed. This approach would allow an enzyme drug to be administered in an inactive (i.e. pro-drug) form and then released at the target site in
C H van de Lest et al.
Analytical biochemistry, 221(2), 356-361 (1994-09-01)
A rapid, sensitive, and nonradioactive method has been developed for the quantification and characterization of glycosaminoglycans. The method is based on the separation of different types of glycosaminoglycans in agarose gel and subsequent fixation and staining with the cationic dye
Scan-and-treat methodology using Azure A fast stain as a cost-effective cervical cancer screening alternative to visual inspection with acetic acid.
Martial Guillaud et al.
Gynecologic oncology, 107(1 Suppl 1), S256-S259 (2007-09-11)
Q Chen et al.
Analytical and bioanalytical chemistry, 382(7), 1513-1519 (2005-06-14)
The interaction between azur A (AA) and hyaluronic acid (HA) at AA concentrations from 3.430 x 10(-5) to 8.575 x 10(-5) M and sodium chloride concentrations from 0 to 0.01 M was investigated spectrophotometrically at 620 nm at temperatures from
Shuhua Bai et al.
Journal of pharmaceutical sciences, 96(8), 2090-2106 (2007-02-09)
This study was designed to test the hypothesis that positively charged dendrimers form a complex with enoxaparin, a low-molecular weight heparin (LMWH), and that the resulting drug-dendrimer complex is effective in preventing deep vein thrombosis after pulmonary administration. Fourier Transform

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