Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

123250

Sigma-Aldrich

4-Antipyrinecarboxaldehyde

97%

Synonym(s):

2,3-Dimethyl-5-oxo-1-phenyl-3-pyrazoline-4-carboxaldehyde, Antipyraldehyde

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C12H12N2O2
CAS Number:
950-81-2
Molecular Weight:
216.24
EC Number:
213-452-0
MDL number:
MFCD00003144
UNSPSC Code:
12352100
PubChem Substance ID:
24847531
NACRES:
NA.22

assay

97%

mp

162-165 °C (lit.)

functional group

aldehyde

SMILES string

[H]C(=O)C1=C(C)N(C)N(c2ccccc2)C1=O

InChI

1S/C12H12N2O2/c1-9-11(8-15)12(16)14(13(9)2)10-6-4-3-5-7-10/h3-8H,1-2H3

InChI key

QFYZFYDOEJZMDX-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

4-Antipyrinecarboxaldehyde undergoes condensation with 4′-aminobenzo-15-crown-5- to yield functionalized crown ether.

Application

4-Antipyrinecarboxaldehyde was used in the synthesis of a new crown ether-antipyrine schiffs base.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCBJ2562V
1450796V
1450796
MKAA3500
03628JJ

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Ashraf S Hassan et al.
Molecules (Basel, Switzerland), 25(11) (2020-06-06)
A series of Bis-pyrazole Schiff bases (6a-d and 7a-d) and mono-pyrazole Schiff bases (8a-d and 9a-d) were designed and synthesized through the reaction of 5-aminopyrazoles 1a-d with aldehydes 2-5 using mild reaction condition with a good yield percentage. The chemical
Preparation and spectroscopic characterization of iron (II) and copper (II) complexes of a functionalized crown ether.
Hayvali Z.
Transition Metal Chemistry, 34(1), 97-101 (2009)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service