Determine the necessary mass, volume, or concentration for preparing a solution.
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Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Pyronin Y is a dye that intercalates and stains RNA red, and has been shown to accumulate in the mitochondria of viable cells. Multidrug-resistant (MDR) Acinetobacter baumannii studies tested inhibition of the efflux pump by measuring the intracellluar accumulation of Pyronin Y and Ethidium bromide. Research shows that at low Pyronin Y concentrations the cytostatic effect is cell arrest in the G1 phase, whereas at high concentrations the cells arrest is in the G2 and S phase. Pyronin Y has been used in combination with Alcian Blue to asses and study pulmonary diseases, and in combination with Methyl Green to stain nucleic acids in paraffin sections. Additionally Pyronin Y has been used to measure RNA in flow cytometry.
Used in Unna-Pappenheim stain to demonstrate RNA (red) in contrast to DNA (green). Also used for bacteria staining.
| Pubchem Sid | 504751244 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504751244 |
| Canonical Smiles | CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-] |
| IUPAC Name | [6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride |
| InChIKey | INCIMLINXXICKS-UHFFFAOYSA-M |
| INCHI | 1S/C17H19N2O.ClH/c1-18(2)14-7-5-12-9-13-6-8-15(19(3)4)11-17(13)20-16(12)10-14;/h5-11H,1-4H3;1H/q+1;/p-1 |
| Isomeric SMILES | CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-] |
| WGK Germany | 3 |
| Molecular Weight | 302.81 |
| Reaxy-Rn | 3795789 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3795789&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Benzopyrans |
| Subclass | 1-benzopyrans |
| Intermediate Tree Nodes | Dibenzopyrans |
| Direct Parent | Xanthenes |
| Alternative Parents | Dialkylarylamines Benzenoids Heteroaromatic compounds Oxacyclic compounds Organopnictogen compounds Organooxygen compounds Organic chloride salts Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Xanthene - Tertiary aliphatic/aromatic amine - Dialkylarylamine - Benzenoid - Heteroaromatic compound - Tertiary amine - Oxacycle - Organic chloride salt - Hydrocarbon derivative - Organic salt - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Amine - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring. |
| External Descriptors | organic chloride salt - iminium salt |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Sep 09, 2025 | P100851 | |
| Certificate of Analysis | Sep 09, 2025 | P100851 | |
| Certificate of Analysis | Jun 13, 2025 | P100851 | |
| Certificate of Analysis | Jun 13, 2025 | P100851 | |
| Certificate of Analysis | Jun 13, 2025 | P100851 | |
| Certificate of Analysis | Dec 19, 2023 | P100851 |
| Solubility | Soluble in water (30 mg/mL), methyl cellosolve (9 mg/mL), and ethanol (3 mg/mL).DMSO : 25 mg/mL (82.56 mM; Need ultrasonic) |
|---|---|
| Sensitivity | light sensitive;Moisture sensitive |
| Melt Point(°C) | 250-260°C |
| Molecular Weight | 302.800 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 302.119 Da |
| Monoisotopic Mass | 302.119 Da |
| Topological Polar Surface Area | 15.500 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 480.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
| 1. Mao Xu, Qi Tang, Yuchen Liu, Jiaqi Shi, Weiyu Zhang, Chan Guo, Qiuwen Liu, Weiwei Lei, Cheng Chen. (2023) Charged Boron Nitride Nanosheet Membranes for Improved Organic Solvent Nanofiltration. ACS Applied Materials & Interfaces, [PMID:36820819] [10.1021/acsami.2c20893] |
| 2. Jing Liang, Qiang Shan, Tianqi Liu, Wenbin Liang, Xin Zhang, Wei Qi, Hongxin Tan, Shaobo Du, Lijuan Qian, Zhan Li, Ximeng Chen. (2021) One-step synthesis of annual ring-shaped planar nitrogen/sulfur co-doped nanoporous graphene for supercapacitance. ELECTROCHIMICA ACTA, [PMID:] [10.1016/j.electacta.2021.139137] |
| 3. Junmei Fan, Enrui Wu, Jinlong Dong, Ruitao Zhu, Meiqin Li, Jiangning Gao, Hongfei Han, Liping Ding. (2021) A minimalist ratiometric fluorescent sensor based on non-covalent ternary platform for sensing H2S in aqueous solution and serum. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2021.126299] |
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View Biological Stain grade guide →