3-(Thiophen-2-yl)-1H-pyrazole-4-carbaldehyde - ≥98% , CAS No.26033-27-2

CAS: 26033-27-2 Cat. No.: T192377 Molecular Weight: 178.21 EC Number: 832-460-0 PubChem CID: 737231
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DS-2850 | SCHEMBL1337388 | NCGC00342520-01 | DDQIKYLVCQKLHT-UHFFFAOYSA-N | Z199469156 | 1H-Pyrazole-4-carboxaldehyde,3-(2-thienyl)- | 3-(2-Thienyl)-1H-pyrazole-4-carbaldehyde, AldrichCPR | BB 0249072 | BS-3964 | 3-(2-THIENYL)-1H-PYRAZOLE-4-CARBALDEHYDE |
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
T192377-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$19.90
1g
T192377-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$54.90
5g
T192377-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$179.90
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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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DS-2850 | SCHEMBL1337388 | NCGC00342520-01 | DDQIKYLVCQKLHT-UHFFFAOYSA-N | Z199469156 | 1H-Pyrazole-4-carboxaldehyde, 3-(2-thienyl)- | 3-(2-Thienyl)-1H-pyrazole-4-carbaldehyde, AldrichCPR | BB 0249072 | BS-3964 | 3-(2-THIENYL)-1H-PYRAZOLE-4-CARBALDEHYDE |
Specifications & Purity
≥98%
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
Canonical SmilesC1=CSC(=C1)C2=C(C=NN2)C=O
IUPAC Name5-thiophen-2-yl-1H-pyrazole-4-carbaldehyde
InChIKeyDDQIKYLVCQKLHT-UHFFFAOYSA-N
INCHI1S/C8H6N2OS/c11-5-6-4-9-10-8(6)7-2-1-3-12-7/h1-5H,(H,9,10)
Isomeric SMILES C1=CSC(=C1)C2=C(C=NN2)C=O
PubChem CID 737231
Molecular Weight 178.21

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes
Direct ParentAryl-aldehydes
Alternative Parents Vinylogous amides  Thiophenes  Pyrazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aryl-aldehyde - Heteroaromatic compound - Vinylogous amide - Thiophene - Pyrazole - Azole - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl-aldehydes. These are compounds containing an aldehyde group directly attached to an aromatic ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

3 results found

Lot NumberCertificate TypeDateItem
C2603616Certificate of AnalysisJan 13, 2026 T192377
C2603617Certificate of AnalysisJan 13, 2026 T192377
C2603618Certificate of AnalysisJan 13, 2026 T192377
Chemical and Physical Properties
Molecular Weight178.210 g/mol
XLogP31.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass178.02 Da
Monoisotopic Mass178.02 Da
Topological Polar Surface Area74.000 Ų
Heavy Atom Count12
Formal Charge0
Complexity176.000
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
Solution Calculators
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