Pyronin Y (C.I.45005) - Biological stain , CAS No.92-32-0

CAS: 92-32-0 Cat. No.: P100851 Molecular Weight: 302.81 EC Number: 202-147-8
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
tetramethyldiaminoxanthylium chloride | MFCD00011725 | NSC10454 | NSC-10454 | Pyronin Y, certified by the Biological Stain Commission, Dye content 50 % | W659G165T1 | AI3-52862 | Tetramethyl pyronin | Xanthylium, 3,6-bis(dimethylamino)-, chloride | AMMONI
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
P100851-1g
3
$52.90
5g
P100851-5g
2
$159.90
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

Protected from light,Store at -20°C Ships Ice chest + Ice pads 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.

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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.

Specifications

Synonyms
tetramethyldiaminoxanthylium chloride | MFCD00011725 | NSC10454 | NSC-10454 | Pyronin Y, certified by the Biological Stain Commission, Dye content 50 % | W659G165T1 | AI3-52862 | Tetramethyl pyronin | Xanthylium, 3, 6-bis(dimethylamino)-, chloride | AMMONI
Specifications & Purity
Biological stain
Biochemical and Physiological Mechanisms
Cationic dye that intercalates RNA and is visible as a red band during electrophoresis. Shown to accumulate in the mitochondria of viable cells. At low concentrations the cytostatic effect is cell arrest in the G1 phase
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Biological Stain
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Names and Identifiers
Pubchem Sid504751244
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751244
Canonical SmilesCN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]
IUPAC Name[6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride
InChIKeyINCIMLINXXICKS-UHFFFAOYSA-M
INCHI1S/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=

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
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Dibenzopyrans
Direct ParentXanthenes
Alternative Parents Dialkylarylamines  Benzenoids  Heteroaromatic compounds  Oxacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organic chloride salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
VDR Tclin Vitamin D receptor (26531 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTH1R Tclin Parathyroid hormone receptor (47172 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TRHR Tclin Thyrotropin-releasing hormone receptor (318 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PLK1 Tchem Serine/threonine-protein kinase PLK1 (28605 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMPD1 Tchem Sphingomyelin phosphodiesterase (13561 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GLP1R Tclin Glucagon-like peptide 1 receptor (111429 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PIN1 Tchem Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (36611 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HEK293 (82097 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
FEN1 Tchem Flap endonuclease 1 (12055 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GNAS Tbio Guanine nucleotide-binding protein G(s), subunit alpha (103405 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLK Tbio DNA polymerase kappa (8653 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLI Tchem DNA polymerase iota (116820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLH Tchem DNA polymerase eta (21678 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BRCA1 Tchem Breast cancer type 1 susceptibility protein (15908 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TSG101 Tbio Tumor susceptibility gene 101 protein (2874 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
L3MBTL1 Tchem Lethal(3)malignant brain tumor-like protein 1 (14536 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
USP2 Tbio Ubiquitin carboxyl-terminal hydrolase 2 (8818 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMAD3 Tchem Mothers against decapentaplegic homolog 3 (68039 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EYA2 Tbio Eyes absent homolog 2 (5884 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IDE Tchem Insulin-degrading enzyme (806 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RAB9A Tbio Ras-related protein Rab-9A (22488 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ATAD5 Tbio ATPase family AAA domain-containing protein 5 (122566 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APOBEC3G Tchem DNA dC->dU-editing enzyme APOBEC-3G (12481 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BAZ2B Tchem Bromodomain adjacent to zinc finger domain protein 2B (56204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ATXN2 Tbio Ataxin-2 (54410 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RGS4 Tchem Regulator of G-protein signaling 4 (13867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APAF1 Tchem Apoptotic protease-activating factor 1 (1188 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IDH1 Tclin Isocitrate dehydrogenase [NADP] cytoplasmic (40980 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APOBEC3F Tbio DNA dC->dU-editing enzyme APOBEC-3F (14861 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RAPGEF3 Tchem Rap guanine nucleotide exchange factor 3 (15528 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RAPGEF4 Tchem Rap guanine nucleotide exchange factor 4 (11476 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CGA Tbio Glycoprotein hormones alpha chain (29278 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
WRN Tbio Werner syndrome ATP-dependent helicase (8824 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TARDBP Tchem TAR DNA-binding protein 43 (40113 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Acinetobacter baumannii (41033 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Luciferin 4-monooxygenase (66902 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ddn Putative uncharacterized protein (49 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TGR Thioredoxin glutathione reductase (28579 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NS1 Nonstructural protein 1 (33327 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
vpr Aberrant vpr protein (14595 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

6 results found

Lot NumberCertificate TypeDateItem
L2102639Certificate of AnalysisSep 09, 2025 P100851
L2102640Certificate of AnalysisSep 09, 2025 P100851
F2523699Certificate of AnalysisJun 13, 2025 P100851
F2523700Certificate of AnalysisJun 13, 2025 P100851
F2602019Certificate of AnalysisJun 13, 2025 P100851
B2025120Certificate of AnalysisDec 19, 2023 P100851
Chemical and Physical Properties
SolubilitySoluble in water (30 mg/mL), methyl cellosolve (9 mg/mL), and ethanol (3 mg/mL).DMSO : 25 mg/mL (82.56 mM; Need ultrasonic)
Sensitivitylight sensitive;Moisture sensitive
Melt Point(°C)250-260°C
Molecular Weight302.800 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass302.119 Da
Monoisotopic Mass302.119 Da
Topological Polar Surface Area15.500 Ų
Heavy Atom Count21
Formal Charge0
Complexity480.000
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. 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]
Solution Calculators
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