KPT-276 - ≥98% , CAS No.1421919-75-6

CAS: 1421919-75-6 Cat. No.: K129659 Molecular Weight: 426.26
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-Propen-1-one, 3-[3-[3,5-bis(trifluoromethyl)phenyl]-1H-1,2,4-triazol-1-yl]-1-(3,3-difluoro-1-azetidinyl)-, (2Z)- | (Z)-3-[3-[3,5-bis(trifluoromethyl)phenyl]-1,2,4-triazol-1-yl]-1-(3,3-difluoroazetidin-1-yl)prop-2-en-1-one
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
K129659-5mg
3

$42.90

$64.90
Save $22.00 (33.90%)
10mg
K129659-10mg
2

$63.90

$95.90
Save $32.00 (33.37%)
25mg
K129659-25mg
2

$139.90

$209.90
Save $70.00 (33.35%)
50mg
K129659-50mg
2

$170.90

$256.90
Save $86.00 (33.48%)
100mg
K129659-100mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$307.90

$461.90
Save $154.00 (33.34%)
250mg
K129659-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$673.90

$1,010.90
Save $337.00 (33.34%)
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 -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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2-Propen-1-one, 3-[3-[3, 5-bis(trifluoromethyl)phenyl]-1H-1, 2, 4-triazol-1-yl]-1-(3, 3-difluoro-1-azetidinyl)-, (2Z)- | (Z)-3-[3-[3, 5-bis(trifluoromethyl)phenyl]-1, 2, 4-triazol-1-yl]-1-(3, 3-difluoroazetidin-1-yl)prop-2-en-1-one
Specifications & Purity
≥98%
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.
Purity
≥98%
Names and Identifiers
Pubchem Sid504772144
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504772144
Canonical SmilesC1C(CN1C(=O)C=CN2C=NC(=N2)C3=CC(=CC(=C3)C(F)(F)F)C(F)(F)F)(F)F
IUPAC Name(Z)-3-[3-[3,5-bis(trifluoromethyl)phenyl]-1,2,4-triazol-1-yl]-1-(3,3-difluoroazetidin-1-yl)prop-2-en-1-one
InChIKeyJCHAWRDHMUSLMM-UPHRSURJSA-N
INCHI1S/C16H10F8N4O/c17-14(18)6-27(7-14)12(29)1-2-28-8-25-13(26-28)9-3-10(15(19,20)21)5-11(4-9)16(22,23)24/h1-5,8H,6-7H2/b2-1-
Isomeric SMILES C1C(CN1C(=O)/C=C\N2C=NC(=N2)C3=CC(=CC(=C3)C(F)(F)F)C(F)(F)F)(F)F
Molecular Weight 426.26
Reaxy-Rn 28210665
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=28210665&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
ClassAzoles
SubclassTriazoles
Intermediate Tree Nodes Phenyltriazoles
Direct ParentPhenyl-1,2,4-triazoles
Alternative Parents Trifluoromethylbenzenes  Vinylogous amides  Tertiary carboxylic acid amides  Heteroaromatic compounds  Acrylic acids and derivatives  Azetidines  Azacyclic compounds  Organonitrogen compounds  Organofluorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Alkyl fluorides  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Phenyl-1,2,4-triazole - Trifluoromethylbenzene - Monocyclic benzene moiety - Benzenoid - Tertiary carboxylic acid amide - Acrylic acid or derivatives - Heteroaromatic compound - Vinylogous amide - Azetidine - Carboxamide group - Carboxylic acid derivative - Azacycle - Organic oxide - Organic oxygen compound - Organooxygen compound - Organonitrogen compound - Organofluoride - Organohalogen compound - Alkyl halide - Carbonyl group - Organic nitrogen compound - Alkyl fluoride - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenyl-1,2,4-triazoles. These are organic compounds containing a 1,2,4-triazole substituted by a phenyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

8 results found

Lot NumberCertificate TypeDateItem
J2515094Certificate of AnalysisOct 28, 2025 K129659
A2211780Certificate of AnalysisJul 15, 2025 K129659
A2211781Certificate of AnalysisJul 15, 2025 K129659
A2211803Certificate of AnalysisJul 15, 2025 K129659
A2211835Certificate of AnalysisJul 15, 2025 K129659
A2211858Certificate of AnalysisJul 15, 2025 K129659
A2211865Certificate of AnalysisJul 15, 2025 K129659
L2419368Certificate of AnalysisDec 21, 2021 K129659
Chemical and Physical Properties
SolubilityDMSO 20 mg/mL Water <1 mg/mL Ethanol <1 mg/mL
Molecular Weight426.260 g/mol
XLogP33.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count11
Rotatable Bond Count3
Exact Mass426.073 Da
Monoisotopic Mass426.073 Da
Topological Polar Surface Area51.000 Ų
Heavy Atom Count29
Formal Charge0
Complexity620.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count1
Solution Calculators
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