TRAM-34 - Moligand™, ≥98% , Channel blocker of K Ca3.1, CAS No.289905-88-0, Channel blocker of K Ca3.1

CAS: 289905-88-0 Cat. No.: T129575 Molecular Weight: 344.84 EC Number: 625-808-6 PubChem CID: 656734
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
Synonyms
NCGC00165909-03 | SureCN41130 | 1-[(2-chlorophenyl)-di(phenyl)methyl]pyrazole | HMS3748M21 | 1-((2-chlorophenyl)diphenylmethyl)-1H-pyrazole | Triarylmethane-34 | J-017347 | CHEBI:34990 | HB1058 | BCP01324 | HY-13519 | EX-A2316 | MFCD09842562 | s1160 | AC-
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
T129575-5mg
3

$19.90

$29.90
Save $10.00 (33.44%)
25mg
T129575-25mg
3

$71.90

$107.90
Save $36.00 (33.36%)
50mg
T129575-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$128.90

$193.90
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100mg
T129575-100mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$182.90

$274.90
Save $92.00 (33.47%)
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Why this grade

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

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads 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.

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

TRAM-34 has been shown to be an inhibitor of cloned and native IK1 channels in human T lymphocytes. These K+ channels have been implicated in over-proliferation of cells. Inhibition of IK1 channels has been demonstrated to modulate cell proliferation depending on the concentration of TRAM-34. Mechanistic studies have shown that TRAM-34 may cause a halt in cell growth at the G0/G1 phase.TRAM-34 is a selective and potent inhibitor of the intermediate-conductance Ca2+-activated K+ channel (IKCa1, KCa3.1) with Kd of 20 nM, 200- to 1500-fold selective over other ion channels, and does not block cytochrome P450.

Specifications

Synonyms
NCGC00165909-03 | SureCN41130 | 1-[(2-chlorophenyl)-di(phenyl)methyl]pyrazole | HMS3748M21 | 1-((2-chlorophenyl)diphenylmethyl)-1H-pyrazole | Triarylmethane-34 | J-017347 | CHEBI:34990 | HB1058 | BCP01324 | HY-13519 | EX-A2316 | MFCD09842562 | s1160 | AC-
Specifications & Purity
Moligand™, ≥98%
Biochemical and Physiological Mechanisms
Potent, selective K Ca 3.1 channel blocker (IC 50 = 18 nM). Atherosclerosis and immunosuppressive agent. Active in vitro and in vivo .
Storage
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
Moligand™
Action Type
CHANNEL BLOCKER
Mechanism of action
Channel blocker of K Ca3.1
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.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3Cl)N4C=CC=N4
IUPAC Name1-[(2-chlorophenyl)-diphenylmethyl]pyrazole
InChIKeyKBFUQFVFYYBHBT-UHFFFAOYSA-N
INCHI1S/C22H17ClN2/c23-21-15-8-7-14-20(21)22(25-17-9-16-24-25,18-10-3-1-4-11-18)19-12-5-2-6-13-19/h1-17H
Isomeric SMILES C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3Cl)N4C=CC=N4
WGK Germany 3
PubChem CID 656734
Molecular Weight 344.84

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
SuperclassBenzenoids
ClassTriphenyl compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentTriphenyl compounds
Alternative Parents Chlorobenzenes  Aryl chlorides  Pyrazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Triphenyl compound - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Azole - Heteroaromatic compound - Pyrazole - Azacycle - Organoheterocyclic compound - Organochloride - Organohalogen compound - Organic nitrogen compound - Hydrocarbon derivative - Organonitrogen compound - Organopnictogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as triphenyl compounds. These are aromatic compounds containing a triphenyl moiety.
External Descriptors organochlorine compound
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
KCNN4 Tchem Intermediate conductance calcium-activated potassium channel protein 4 (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
KCNA3 Tclin Potassium voltage-gated channel subfamily A member 3 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
ABL1 Tclin Tyrosine-protein kinase ABL (18331 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GSK3B Tclin Glycogen synthase kinase-3 beta (11785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CSNK1D Tchem Casein kinase I delta (4546 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KCNA3 Tclin Voltage-gated potassium channel subunit Kv1.3 (1067 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KCNN4 Tchem Intermediate conductance calcium-activated potassium channel protein 4 (87 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CDK2 Tchem Cyclin-dependent kinase 2 (9050 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AURKA Tchem Serine/threonine-protein kinase Aurora-A (10240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
U2OS (164939 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HaCaT (4069 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PBMC (10003 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BRD4 Tchem Bromodomain-containing protein 4 (13122 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RUNX1 Tbio Runt-related transcription factor 1/Core-binding factor subunit beta (7867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TRIM24 Tchem Transcription intermediary factor 1-alpha (2087 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BRPF1 Tchem Peregrin (2217 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HEK-293T (167025 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Mapk1 MAP kinase ERK2 (650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Fgfr3 Fibroblast growth factor receptor 3 (21 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
FTL Ferritin light chain (43324 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.

1 results found

Lot NumberCertificate TypeDateItem
D1524067Certificate of AnalysisMay 21, 2026 T129575
Chemical and Physical Properties
SolubilitySoluble in DMSO (10 mg/ml at 40°C), ethanol (6 mg/ml at 40°C), and DMF (>25 mg/ml), dichloromethane, ethyl acetate, and methanol. Insoluble in water.
Molecular Weight344.800 g/mol
XLogP35.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count4
Exact Mass344.108 Da
Monoisotopic Mass344.108 Da
Topological Polar Surface Area17.800 Ų
Heavy Atom Count25
Formal Charge0
Complexity396.000
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
Citations of This Product
References
1. Ping Sheng, Liang Zhang, Wenwei Xie, Yu He, Yanjiao Wu, Jinyu Huang, Dan Li, Jiafu Leng, Debing Xiang.  (2026)  Evaluation of TRAM@PPF Nanoparticles for Efficacy Against Pancreatic Cancer in Mice Model.  International Journal of Nanomedicine,      [PMID:41737033] [10.2147/IJN.S556959]
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