Azure II - Biological stain , CAS No.37247-10-2

CAS: 37247-10-2 Cat. No.: A100311 Molecular Weight: 625.68 EC Number: 609-371-9
AVAILABLE TO ORDER
GRADE & PURITY Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.
Synonyms
Methylene Azure II
Storage
Desiccated
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
A100311-25g
4
$16.90
100g
A100311-100g
1
$53.90
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

Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

A heterotricyclic organic dye.

Specifications

Synonyms
Methylene Azure II
Specifications & Purity
Biological stain
Storage
Desiccated
Shipped In
Normal
Grade
Biological Stain
Names and Identifiers
Canonical SmilesCNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-].[Cl-]
IUPAC Name[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium;dichloride
InChIKeyYOWZJZJLXUQHGF-UHFFFAOYSA-M
INCHI1S/C16H18N3S.C15H15N3S.2ClH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;1-16-10-4-6-12-14(8-10)19-15-9-11(18(2)3)5-7-13(15)17-12;;/h5-10H,1-4H3;4-9H,1-3H3;2*1H/q+1;;;/p-1
Isomeric SMILES CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-].[Cl-]
WGK Germany 3
Molecular Weight 625.68
Reaxy-Rn 28060492
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=28060492&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Dialkylarylamines  Secondary alkylarylamines  Benzenoids  Secondary ketimines  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organic chloride salts  Hydrocarbon derivatives  
Molecular FrameworkNot available
Substituents Benzothiazine - Dialkylarylamine - Tertiary aliphatic/aromatic amine - Secondary aliphatic/aromatic amine - Benzenoid - Heteroaromatic compound - Secondary ketimine - Tertiary amine - 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
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

15 results found

Lot NumberCertificate TypeDateItem
F2216038Certificate of AnalysisMar 18, 2026 A100311
I2320102Certificate of AnalysisSep 26, 2023 A100311
I2320104Certificate of AnalysisSep 26, 2023 A100311
I2320106Certificate of AnalysisSep 26, 2023 A100311
G2319048Certificate of AnalysisAug 01, 2023 A100311
E2327128Certificate of AnalysisJun 08, 2023 A100311
E2327129Certificate of AnalysisJun 08, 2023 A100311
E2327131Certificate of AnalysisJun 08, 2023 A100311
E2327126Certificate of AnalysisJun 02, 2023 A100311
E2327130Certificate of AnalysisJun 02, 2023 A100311
E2327133Certificate of AnalysisJun 02, 2023 A100311
C2324525Certificate of AnalysisApr 10, 2023 A100311
C23161307Certificate of AnalysisJun 23, 2022 A100311
F2216039Certificate of AnalysisJun 23, 2022 A100311
F2216041Certificate of AnalysisJun 23, 2022 A100311

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Chemical and Physical Properties
SolubilitySoluble in water (40 mg/ml), and ethanol (20 mg/ml).
Melt Point(°C)185 °C
Molecular Weight625.700 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count8
Rotatable Bond Count2
Exact Mass624.166 Da
Monoisotopic Mass624.166 Da
Topological Polar Surface Area96.600 Ų
Heavy Atom Count41
Formal Charge0
Complexity980.000
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 Count4
Documents & Articles
Solution Calculators
Reviews

Customer Reviews

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