CPI203 - Moligand™, ≥98%(HPLC) , Inhibitor of bromodomain containing 4, CAS No.1446144-04-2, Inhibitor of bromodomain containing 4

CAS: 1446144-04-2 Cat. No.: C167316 Molecular Weight: 399.9
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%(HPLC)
Synonyms
(6S)-4-(4-Chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-6-acetamide
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
C167316-5mg
3

$34.90

$52.90
Save $18.00 (34.03%)
25mg
C167316-25mg
2

$96.90

$145.90
Save $49.00 (33.58%)
100mg
C167316-100mg
2

$277.90

$416.90
Save $139.00 (33.34%)
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Why this grade

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

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Storage & shipping

Store at 2-8°C Ships Wet ice 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

CPI203 is a potent BET bromodomain inhibitor with IC50 of 37 nM for BRD4.

Specifications

Synonyms
(6S)-4-(4-Chlorophenyl)-2, 3, 9-trimethyl-6H-thieno[3, 2-f][1, 2, 4]triazolo[4, 3-a][1, 4]diazepine-6-acetamide
Specifications & Purity
Moligand™, ≥98%(HPLC)
Biochemical and Physiological Mechanisms
BET bromodomain inhibitor. Downregulates Myc expression, causes G1cell cycle arrest and attenuates cell proliferation in human pancreatic neuroendocrine tumors. Arrests the growth of T cell acute lymphoblastic leukemia cellsin vitro(EC50= 91.2 nM). Also e
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Action Type
INHIBITOR
Mechanism of action
Inhibitor of bromodomain containing 4
Purity
≥98%(HPLC)
Names and Identifiers
Pubchem Sid504772011
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504772011
Canonical SmilesCC1=C(SC2=C1C(=NC(C3=NN=C(N32)C)CC(=O)N)C4=CC=C(C=C4)Cl)C
IUPAC Name2-[(9S)-7-(4-chlorophenyl)-4,5,13-trimethyl-3-thia-1,8,11,12-tetrazatricyclo[8.3.0.02,6]trideca-2(6),4,7,10,12-pentaen-9-yl]acetamide
InChIKeyQECMENZMDBOLDR-AWEZNQCLSA-N
INCHI1S/C19H18ClN5OS/c1-9-10(2)27-19-16(9)17(12-4-6-13(20)7-5-12)22-14(8-15(21)26)18-24-23-11(3)25(18)19/h4-7,14H,8H2,1-3H3,(H2,21,26)/t14-/m0/s1
Isomeric SMILES CC1=C(SC2=C1C(=N[C@H](C3=NN=C(N32)C)CC(=O)N)C4=CC=C(C=C4)Cl)C
Molecular Weight 399.9
Reaxy-Rn 14975984
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14975984&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassThienodiazepines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentThienodiazepines
Alternative Parents Chlorobenzenes  1,4-diazepines  Aryl chlorides  Triazoles  Thiophenes  Heteroaromatic compounds  Primary carboxylic acid amides  Ketimines  Propargyl-type 1,3-dipolar organic compounds  Azacyclic compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Thieno-para-diazepine - Para-diazepine - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Benzenoid - Azole - Heteroaromatic compound - 1,2,4-triazole - Thiophene - Carboxamide group - Primary carboxylic acid amide - Ketimine - Azacycle - Organic 1,3-dipolar compound - Carboxylic acid derivative - Propargyl-type 1,3-dipolar organic compound - Organooxygen compound - Organic oxide - Organic oxygen compound - Carbonyl group - Organic nitrogen compound - Hydrocarbon derivative - Imine - Organonitrogen compound - Organohalogen compound - Organochloride - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thienodiazepines. These are heteropolycyclic containing a thiophene ring fused to a diazepine ring. Thiophene is 5-membered ring consisting of four carbon and one sulfur atoms. Diazepine is a 7-membered ring consisting of five carbon and two nitrogen atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
BRD4 Tchem Bromodomain-containing protein 4 (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BRD4 Tchem Bromodomain-containing protein 4 (13122 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 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.

2 results found

Lot NumberCertificate TypeDateItem
F2002054Certificate of AnalysisDec 22, 2025 C167316
L2220186Certificate of AnalysisOct 11, 2025 C167316
Chemical and Physical Properties
SolubilitySolvent:DMSO, Max Conc. mg/mL: 39.99, Max Conc. mM: 100; Solvent:ethanol, Max Conc. mg/mL: 4, Max Conc. mM: 10
Molecular Weight399.900 g/mol
XLogP32.900
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass399.092 Da
Monoisotopic Mass399.092 Da
Topological Polar Surface Area114.000 Ų
Heavy Atom Count27
Formal Charge0
Complexity611.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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