4-Formamidoantipyrine - Moligand™, ≥95% , CAS No.1672-58-8

CAS: 1672-58-8 Cat. No.: N769822 Molecular Weight: 231.25 Beilstein Registry Number: 217665 EC Number: 216-808-3 PubChem CID: 72666
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. ≥95%
Synonyms
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)formamide | 4-Formylamino Antipyrine
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Size
Status
Price
Qty
250mg
N769822-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$51.90
1g
N769822-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$204.90
Enter a quantity for the sizes you want to add.
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Why this grade

Moligand™, ≥95% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Protected from light,Store at -20°C,Argon charged 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.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

4-Formylaminoantipyrines are grouped under the class of biodegradable organic micropollutants (OMPs).

Application:

4-Formylaminoantipyrine may be used as an analytical reference standard for the determination of the analyte in:
Aqueous samples by ultra-high performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS).
Groundwater, surface water and wastewater samples by online mixed-bed multilayer solid-phase extraction (SPE) and HPLC combined with tandem mass spectrometry (MS/MS).

Specifications

Synonyms
N-(1, 5-Dimethyl-3-oxo-2-phenyl-2, 3-dihydro-1H-pyrazol-4-yl)formamide | 4-Formylamino Antipyrine
Specifications & Purity
Moligand™, ≥95%
Storage
Protected from light, Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Purity
≥95%
Names and Identifiers
Pubchem Sid528760865
Canonical SmilesCC1=C(C(=O)N(N1C)C2=CC=CC=C2)NC=O
IUPAC NameN-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)formamide
InChIKeyWSJBSKRPKADYRQ-UHFFFAOYSA-N
INCHI1S/C12H13N3O2/c1-9-11(13-8-16)12(17)15(14(9)2)10-6-4-3-5-7-10/h3-8H,1-2H3,(H,13,16)
Isomeric SMILES CC1=C(C(=O)N(N1C)C2=CC=CC=C2)NC=O
WGK Germany 3
PubChem CID 72666
Molecular Weight 231.25
Beilstein 217665

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
SubclassPyrazoles
Intermediate Tree Nodes Not available
Direct ParentPhenylpyrazoles
Alternative Parents Pyrazolones  Benzene and substituted derivatives  Vinylogous amides  Heteroaromatic compounds  Lactams  Propargyl-type 1,3-dipolar organic compounds  Carboximidic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Phenylpyrazole - Monocyclic benzene moiety - Benzenoid - Pyrazolinone - Heteroaromatic compound - Vinylogous amide - Lactam - Carboximidic acid - Carboximidic acid derivative - Azacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenylpyrazoles. These are compounds containing a phenylpyrazole skeleton, which consists of a pyrazole bound to a phenyl group.
External Descriptors formamides - pyrazolone
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.

2 results found

Lot NumberCertificate TypeDateItem
K2520319Certificate of AnalysisSep 13, 2025 N769822
K2520362Certificate of AnalysisSep 13, 2025 N769822
Chemical and Physical Properties
Sensitivitymoisture & air sensitive;Heat sensitive
Molecular Weight231.250 g/mol
XLogP30.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass231.101 Da
Monoisotopic Mass231.101 Da
Topological Polar Surface Area52.700 Ų
Heavy Atom Count17
Formal Charge0
Complexity359.000
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
Reviews

Customer Reviews

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