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A2918

Sigma-Aldrich

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
Colour Index Number:
52005
Beilstein:
3922287
EC Number:
208-510-7
MDL number:
MFCD00012112
UNSPSC Code:
12171500
PubChem Substance ID:
24890705
NACRES:
NA.47

product name

Azure A chloride, certified by the Biological Stain Commission

grade

certified by the Biological Stain Commission

Quality Level

200

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

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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’.

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C Vindigni et al.
International journal of cancer, 74(6), 637-641 (1998-01-08)
Mitotic (MI) and apoptotic index (AI), the sum of the 2, i.e., the turnover index (TI), tumor neovascularization (NV) and p53 expression, as well as tumor grading and node status, are evaluated in early and advanced gastric-cancer cases. T1 cases
C Priya et al.
Colloids and surfaces. B, Biointerfaces, 97, 90-96 (2012-05-23)
A novel non-enzymatic hydrogen peroxide sensor was developed using Azure A/gold nanoclusters modified graphite electrode. The method of preparation of Azure A/gold nanoclusters was simple and it was characterized by UV-visible spectroscopy, field emission scanning electron microscopy (FESEM) and confocal
Michael J Butler et al.
Mycologia, 101(3), 296-304 (2009-06-20)
We confirmed that the melanin produced by Sclerotinia sclerotiorum is a dihydroxynaphthalene (DHN). The specific DHN melanogenesis inhibitor test that uses tricyclazole at low levels (typically 2-5 ppm) to cause a confirmatory appearance of soluble red-brown inhibition products does not
P Chieco et al.
The Histochemical journal, 25(8), 569-577 (1993-08-01)
Mitotic index is a clinically important parameter in cancer pathology. We developed a staining method using Toluidine Blue to detect efficiently and rapidly mitotic figures in sections of formalin-fixed paraffin-embedded human and rat tissues. Sections were stained at acid pH
F Battaglini et al.
Bioconjugate chemistry, 5(5), 430-435 (1994-09-01)
The bimolecular rate constants for the reactions of five organic two-electron redox mediators with reduced glucose oxidase (GOx) were determined by measuring voltammetric electrocatalytic currents at glassy carbon electrodes in the presence of excess glucose under anaerobic conditions. The mediators
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