Giemsa stain - high-purity , CAS No.51811-82-6

CAS: 51811-82-6 Cat. No.: G100961 Molecular Weight: 291.8 EC Number: 257-438-2
AVAILABLE TO ORDER
GRADE & PURITY High-purity ? High-purity grade with substantially reduced impurity levels. Use when trace contaminants would interfere with your measurement or process.
Synonyms
Giemsa stain | Mancha Giemsa | SCHEMBL137066 | CCRIS 9315 | DTXSID2040157 | HY-D0944 | AZURE A | 3-Amino-7-dimethylaminophenazathionium chloride | 3-Amino-7-(dimethylamino)phenothiazin-5-ium, salt with 2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro(isobenzof
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
G100961-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$70.90

$103.90
Save $33.00 (31.76%)
25g
G100961-25g
2

$166.90

$205.90
Save $39.00 (18.94%)
100g
G100961-100g
1

$452.90

$659.90
Save $207.00 (31.37%)
Enter a quantity for the sizes you want to add.
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Why this grade

high-purity High-purity 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 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Giemsa stain | Mancha Giemsa | SCHEMBL137066 | CCRIS 9315 | DTXSID2040157 | HY-D0944 | AZURE A | 3-Amino-7-dimethylaminophenazathionium chloride | 3-Amino-7-(dimethylamino)phenothiazin-5-ium, salt with 2', 4', 5', 7'-tetrabromo-3', 6'-dihydroxyspiro(isobenzof
Specifications & Purity
high-purity
Storage
Room temperature
Shipped In
Normal
Grade
High-purity
Names and Identifiers
Pubchem Sid504752487
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752487
Canonical SmilesC[N+](=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1)C.[Cl-]
IUPAC Name(7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride
InChIKeyNALREUIWICQLPS-UHFFFAOYSA-N
INCHI1S/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
Isomeric SMILES C[N+](=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1)C.[Cl-]
WGK Germany 3
Molecular Weight 291.8
Reaxy-Rn 3922287
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3922287&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
ClassBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Benzenoids  Secondary ketimines  Heteroaromatic compounds  Azacyclic compounds  Primary amines  Organopnictogen compounds  Organic chloride salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzothiazine - Benzenoid - Heteroaromatic compound - Secondary ketimine - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organic chloride salt - Organic salt - Primary amine - 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.

10 results found

Lot NumberCertificate TypeDateItem
G2206254Certificate of AnalysisApr 07, 2026 G100961
G2206306Certificate of AnalysisApr 07, 2026 G100961
C1610248Certificate of AnalysisOct 09, 2023 G100961
K2208389Certificate of AnalysisOct 28, 2022 G100961
K2208470Certificate of AnalysisOct 28, 2022 G100961
K2208471Certificate of AnalysisOct 28, 2022 G100961
L2419243Certificate of AnalysisOct 28, 2022 G100961
A1519044Certificate of AnalysisOct 19, 2022 G100961
L2419245Certificate of AnalysisMay 28, 2022 G100961
D1824066Certificate of AnalysisFeb 16, 2022 G100961
Chemical and Physical Properties
SolubilityInsoluble in water (<0.1%), methanol (5.8 mg/L), and ethanol.
SensitivityMoisture sensitive.
Melt Point(°C)300°C
Molecular Weight291.800 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass291.06 Da
Monoisotopic Mass291.06 Da
Topological Polar Surface Area66.700 Ų
Heavy Atom Count19
Formal Charge0
Complexity483.000
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
Documents & Articles
Citations of This Product
References
1. Xiudan Wang, Weijing Kong, Rui Yang, Chunyan Yang.  (2023)  4-octyl itaconate ameliorates ventilator-induced lung injury.  ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS,      [PMID:38086523] [10.1016/j.abb.2023.109853]
2. Pengbo Wang, Dongman Wan, Ting Peng, Yujing Yang, Xuefang Wen, Xianghui Yan, Jiaheng Xia, Qingwen Zhu, Ping Yu, Deming Gong, Zheling Zeng.  (2023)  Acute Oral Toxicity and Genotoxicity Test and Evaluation of Cinnamomum camphora Seed Kernel Oil.  Foods,  12  (2): (293).  [PMID:36673385] [10.3390/foods12020293]
3. Yongchao Jiang, Yingying Guo, Haonan Wang, Xiaofeng Wang, Qian Li.  (2023)  Hydrogel coating based on dopamine-modified hyaluronic acid and gelatin with spatiotemporal drug release capacity for quick endothelialization and long-term anticoagulation.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:36599384] [10.1016/j.ijbiomac.2022.123113]
4. Xiaoping Wu, Qiujie Pang, Fuxiang Zhi, Xiaohong Mao, Yingbin Hu.  (2022)  Overexpression of long non-coding RNA ACTA2-AS1 inhibits the viability, proliferation, migration and invasion of colorectal cancer cells.  TISSUE & CELL,      [PMID:35325674] [10.1016/j.tice.2022.101769]
5. Zhan Wenhua, Li Hanrui, Guo Yingying, Du Getao, Wu Yayan, Zhang Dexin.  (2020)  Construction of Biocompatible Dual-Drug Loaded Complicated Nanoparticles for in vivo Improvement of Synergistic Chemotherapy in Esophageal Cancer.  Frontiers in Oncology,      [PMID:32432038] [10.3389/fonc.2020.00622]
6. Hailong Zhang, Jie Mi, Yayu Huo, Xiaoyan Huang, Jianfeng Xing, Akira Yamamoto, Yang Gao.  (2014)  Absorption enhancing effects of chitosan oligomers on the intestinal absorption of low molecular weight heparin in rats.  INTERNATIONAL JOURNAL OF PHARMACEUTICS,      [PMID:24614577] [10.1016/j.ijpharm.2014.03.010]
7. Jiayan Yang, Liangliang Dong, Yifan Wang, Lifen Gong, Hongwei Gao, Yicheng Xie.  (2024)  Targeted degradation of hexokinase 2 for anti‑inflammatory treatment in acute lung injury.  Molecular Medicine Reports,  29  (5): (1-11).  [PMID:38516767] [10.3892/mmr.2024.13206]
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