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Merck
CN

A2918

Azure A chloride

Dye content, ≥75%, certified by the Biological Stain Commission, powder

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About This Item

Empirical Formula (Hill Notation):
C14H14ClN3S
CAS Number:
531-53-3
Molecular Weight:
291.80
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24890705
EC Number:
208-510-7
MDL number:
MFCD00012112
Colour Index Number:
52005
Beilstein/REAXYS Number:
3922287

Key Documents

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Product Name

Azure A chloride, certified by the BSC

InChI key

NALREUIWICQLPS-UHFFFAOYSA-N

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

SMILES string

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

agency

certified by the BSC

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

Quality Level

200

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Related Categories

Application

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBL9441
MKBX7107V
MKBB8614
098K3522
19796DJ

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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
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
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
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)
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
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