Azure B - Biological stain , CAS No.531-55-5

CAS: 531-55-5 Cat. No.: A278781 Formule: C15H16ClN3S Poids moléculaire: 305.83 Beilstein Registry Number: 3922630 Numéro CE: 208-511-2
DISPONIBLE À COMMANDE
GRADE & PURITY Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.
Synonyms
DNDJEIWCTMMZBX-UHFFFAOYSA-N | DTXSID40944111 | A870807 | CHEBI:87639 | KFZNPGQYVZZSNV-UHFFFAOYSA-M | Azure B, prepared by direct synthesis | CCRIS 9314 | 7C8BEL8WQV | AKOS005287416 | N-methyl-N-(7-(methylamino)-3H-phenothiazin-3-ylidene)methanaminiumchlor
Storage
Room temperature
Shipped In
Normal
★
Size
Allemagne (EU)
USA*
Price
Qty
5g
A278781-5g
—
1 En stock
17,27€
25g
A278781-25g
—
2 En stock

34,62€

51,98€
Enregistrer 17,35 € (33.39%)
100g
A278781-100g
—
2 En stock
112,72€
Enter a quantity for the sizes you want to add.
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Why this grade

Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 16 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Vue d’ensemble

All kinds of mixtures formed by oxidation of methylene blue, mainly azure A and B, are blue in aqueous solution, slightly soluble in ethanol and show reddish-brown fluorescence, and are used for biological dyeing.

Specifications

Synonymes
DNDJEIWCTMMZBX-UHFFFAOYSA-N | DTXSID40944111 | A870807 | CHEBI:87639 | KFZNPGQYVZZSNV-UHFFFAOYSA-M | Azure B, prepared by direct synthesis | CCRIS 9314 | 7C8BEL8WQV | AKOS005287416 | N-methyl-N-(7-(methylamino)-3H-phenothiazin-3-ylidene)methanaminiumchlor
Spécifications et pureté
Biological stain
Mécanismes biochimiques et physiologiques
Azurite b is a cationic dye. It is part of Romanowsky stain for blood membrane staining. It can also be used for nucleic acid localization.
Conditions de stockage de stockage
Room temperature
Expédié en
Normal
Grade
Biological Stain
Noms et identifiants
Pubchem Sid
Sourires canoniques
CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
IUPAC Name
dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium;chloride
InChIKey
DNDJEIWCTMMZBX-UHFFFAOYSA-N
INCHI
1S/C15H15N3S.ClH/c1-16-10-4-6-12-14(8-10)19-15-9-11(18(2)3)5-7-13(15)17-12;/h4-9H,1-3H3;1H
Isomères SMILES
CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
WGK Allemagne
3
RTECS
SO5550000
Poids moléculaire
305.83
Beilstein
3922630
Reaxy-Rn
3922630
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3922630&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClasseBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Secondary alkylarylamines  Benzenoids  Secondary ketimines  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organic chloride salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzothiazine - Secondary aliphatic/aromatic amine - Benzenoid - Heteroaromatic compound - Secondary ketimine - Azacycle - Secondary amine - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organic chloride salt - Organic salt - Organonitrogen compound - Amine - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzothiazines. These are organic compounds containing a benzene fused to a thiazine ring (a six-membered ring with four carbon atoms, one nitrogen atom and one sulfur atom).
External Descriptors Not available
Structure 3D
Modèle de structure chimique interactif





Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

21 results found

Lot NumberCertificate TypeDateArticle
J2612102Certificate of AnalysisSep 24, 2026 A278781
J2612104Certificate of AnalysisSep 24, 2026 A278781
J2612106Certificate of AnalysisSep 24, 2026 A278781
K2230487Certificate of AnalysisSep 02, 2026 A278781
I2601046Certificate of AnalysisOct 13, 2025 A278781
J2521367Certificate of AnalysisOct 13, 2025 A278781
J2521368Certificate of AnalysisOct 13, 2025 A278781
J2521369Certificate of AnalysisOct 13, 2025 A278781
E2627047Certificate of AnalysisJun 13, 2025 A278781
F2519446Certificate of AnalysisJun 13, 2025 A278781
F2519453Certificate of AnalysisJun 13, 2025 A278781
F2519454Certificate of AnalysisJun 13, 2025 A278781
F2519455Certificate of AnalysisJun 13, 2025 A278781
L2420013Certificate of AnalysisDec 05, 2024 A278781
L2416345Certificate of AnalysisDec 05, 2024 A278781
K2230473Certificate of AnalysisNov 03, 2022 A278781
K2230486Certificate of AnalysisNov 03, 2022 A278781
E2421076Certificate of AnalysisNov 03, 2022 A278781
K2210216Certificate of AnalysisMar 30, 2021 A278781
J2316017Certificate of AnalysisMar 30, 2021 A278781
C2426037Certificate of AnalysisMar 30, 2021 A278781
Propriétés chimiques et physiques
SolubilitéSoluble in 1 mg/ml water. Sparingly soluble in alcohol.
SensibilitéMoisture sensitive.
Point de fusion (°C)205 °C
Poids moléculaire305.800 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass305.075 Da
Monoisotopic Mass305.075 Da
Topological Polar Surface Area52.700 Ų
Heavy Atom Count20
Formal Charge0
Complexity498.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
FAQ et articles
Citations of This Product
Calculateurs de solution
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