2,2'-Dithiodipyridine - ≥98% , CAS No.2127-03-9

CAS: 2127-03-9 Cat. No.: D100574 Formula: C10H8N2S2 Molecular Weight: 220.31 Beilstein Registry Number: 154629 EC Number: 218-343-1
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Aldrithiol 2 | dipyridyl disulfide | HY-Y1666 | 2,2 inverted exclamation marka-Dipyridyl disulfide | 2,2'-Dipyridinyl disulfide | EN300-172822 | 2-Pyridin-2-yldisulfanylpyridine | L6X912UPBU | 2PDS | 2,2'-Dithiobispyridine | 2,2'-dithiobis-pyridine | Bis(
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
★
Size
Germany (EU)
USA*
Price
Qty
5g
D100574-5g
—
In stock ≥10
€8.59
25g
D100574-25g
—
9 In stock
€17.27
100g
D100574-100g
—
3 In stock
€60.65
500g
D100574-500g
—
2 In stock
€225.53
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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 69 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Aldrithiol™-2 is a nucleocapsid zinc finger targeting compound and can abrogate the infectivity of human immunodeficiency virus type-1 virions. It is a thiol reagent.

Specifications

Synonyms
Aldrithiol 2 | dipyridyl disulfide | HY-Y1666 | 2,2 inverted exclamation marka-Dipyridyl disulfide | 2,2'-Dipyridinyl disulfide | EN300-172822 | 2-Pyridin-2-yldisulfanylpyridine | L6X912UPBU | 2PDS | 2,2'-Dithiobispyridine | 2,2'-dithiobis-pyridine | Bis(
Specifications & Purity
≥98%
Application
Aldrithiol™-2 was used in the synthesis of adenosine-5′-phosphoimidazolide. It was employed with PPh3 as a condensing agent in the amidation of carboxylic acid enantiomers for HPLC separation. Thiol reagent.Employed with PPh3 as a condensing agent in the
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508807539
Canonical Smiles
C1=CC=NC(=C1)SSC2=CC=CC=N2
IUPAC Name
2-(pyridin-2-yldisulfanyl)pyridine
InChIKey
HAXFWIACAGNFHA-UHFFFAOYSA-N
INCHI
1S/C10H8N2S2/c1-3-7-11-9(5-1)13-14-10-6-2-4-8-12-10/h1-8H
Isomeric SMILES
C1=CC=NC(=C1)SSC2=CC=CC=N2
WGK Germany
3
UN Number
3335
Molecular Weight
220.31
Beilstein
154629
Reaxy-Rn
154629
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=154629&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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
ClassPyridines and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPyridines and derivatives
Alternative Parents Heteroaromatic compounds  Organic disulfides  Sulfenyl compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridine - Heteroaromatic compound - Organic disulfide - Azacycle - Sulfenyl compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyridines and derivatives. These are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
EHMT2 Tchem Histone-lysine N-methyltransferase EHMT2 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
VDR Tclin Vitamin D receptor (26531 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PLK1 Tchem Serine/threonine-protein kinase PLK1 (28605 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
POLI Tchem DNA polymerase iota (116820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
G6PD Tchem Glucose-6-phosphate 1-dehydrogenase (778 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT1 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 5 (407 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
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMAD3 Tchem Mothers against decapentaplegic homolog 3 (68039 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APOBEC3A Tchem Probable DNA dC->dU-editing enzyme APOBEC-3A (890 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CBX1 Tbio Chromobox protein homolog 1 (92434 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
RGS4 Tchem Regulator of G-protein signaling 4 (13867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IDH1 Tclin Isocitrate dehydrogenase [NADP] cytoplasmic (40980 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GLS Tchem Glutaminase kidney isoform, mitochondrial (16997 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
Associated Targets(non-human)
Human immunodeficiency virus 1 (70413 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ddn Putative uncharacterized protein (49 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Large T antigen (1457 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
G6PD-6PGL Glucose-6-phosphate dehydrogenase-6-phosphogluconolactonase (1761 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MSRA Mitochondrial peptide methionine sulfoxide reductase (338 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.

19 results found

Lot NumberCertificate TypeDateItem
E2615408E2615408Certificate of AnalysisApr 30, 2026 D100574
E2615409E2615409Certificate of AnalysisApr 30, 2026 D100574
E2615410E2615410Certificate of AnalysisApr 30, 2026 D100574
E2615439E2615439Certificate of AnalysisApr 30, 2026 D100574
G2517018G2517018Certificate of AnalysisApr 23, 2026 D100574
C2611310C2611310Certificate of AnalysisFeb 26, 2026 D100574
C2611311C2611311Certificate of AnalysisFeb 26, 2026 D100574
C2611312C2611312Certificate of AnalysisFeb 26, 2026 D100574
C2611317C2611317Certificate of AnalysisFeb 26, 2026 D100574
J2515028J2515028Certificate of AnalysisMay 30, 2022 D100574
J2431172J2431172Certificate of AnalysisMay 30, 2022 D100574
J2327294J2327294Certificate of AnalysisMay 30, 2022 D100574
F2204551F2204551Certificate of AnalysisMay 30, 2022 D100574
F2204546F2204546Certificate of AnalysisMay 30, 2022 D100574
D2408052D2408052Certificate of AnalysisMay 30, 2022 D100574
A2218297A2218297Certificate of AnalysisDec 22, 2021 D100574
A2218293A2218293Certificate of AnalysisDec 22, 2021 D100574
A2218289A2218289Certificate of AnalysisDec 22, 2021 D100574
A2218267A2218267Certificate of AnalysisDec 22, 2021 D100574
Chemical and Physical Properties
SolubilitySoluble in water, benzene, tetrahydrofuran, dichloromethane, acetonitrile and dimethyformamide.
SensitivityAir Sensitive
Flash Point(°F)210 °C
Flash Point(°C)210 °C
Melt Point(°C)56-60°C
Molecular Weight220.300 g/mol
XLogP32.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass220.013 Da
Monoisotopic Mass220.013 Da
Topological Polar Surface Area76.400 Ų
Heavy Atom Count14
Formal Charge0
Complexity148.000
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 Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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