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4-Acetamidoantipyrine

4-Acetamidoantipyrine structure

CAS No.: 83-15-8

Chemical Name:: 4-Acetamidoantipyrine

Synonyms: N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide;NSC 331807;Acetamidoantipyrine;Antipyrine IMpurity;4-acetamidophenazone;Acetylaminoantipyrine;4-ACETAMINOANTIPYRINE;Antipyrine Impurity 2;4-Acetamidoantipyrine;4-Acetoaminoantipyrine

CBNumber:: CB9720299

Molecular Formula:: C13H15N3O2

Molecular Weight:: 245.28

MDL Number:: MFCD00003141

MOL File:: 83-15-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:56:34

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4-Acetamidoantipyrine Properties

Melting point	200-203 °C(lit.)
Boiling point	388.24°C (rough estimate)
Density	1.1477 (rough estimate)
refractive index	1.5600 (estimate)
storage temp.	-20°C Freezer
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Solid
pka	12.84±0.20(Predicted)
color	White to Off-White
BRN	234585
Major Application	pharmaceutical
InChI	1S/C13H15N3O2/c1-9-12(14-10(2)17)13(18)16(15(9)3)11-7-5-4-6-8-11/h4-8H,1-3H3,(H,14,17)
InChIKey	OIAGWXKSCXPNNZ-UHFFFAOYSA-N
SMILES	CN1N(C(=O)C(NC(C)=O)=C1C)c2ccccc2
CAS DataBase Reference	83-15-8(CAS DataBase Reference)
FDA UNII	535H9N144Z
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302

Precautionary statements

P271-P261-P280

Hazard Codes

Safety Statements

22-24/25

WGK Germany

Hazard Note

Irritant

HS Code

2933399990

Storage Class

11 - Combustible Solids

NFPA 704

	1
0		0

4-Acetamidoantipyrine price More Price(42)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	55669	4-Acetamidoantipyrine analytical standard	83-15-8	100mg	$228	2026-04-30	Buy
Cayman Chemical	40308	4-Acetamido Antipyrine ≥95%	83-15-8	25mg	$72	2026-04-30	Buy
Cayman Chemical	40308	4-Acetamido Antipyrine ≥95%	83-15-8	50mg	$129	2026-04-30	Buy
Cayman Chemical	40308	4-Acetamido Antipyrine ≥95%	83-15-8	100mg	$215	2026-04-30	Buy
Cayman Chemical	40308	4-Acetamido Antipyrine ≥95%	83-15-8	250mg	$466	2026-04-30	Buy

Product number	Packaging	Price	Buy
55669	100mg	$228	Buy
40308	25mg	$72	Buy
40308	50mg	$129	Buy
40308	100mg	$215	Buy
40308	250mg	$466	Buy

4-Acetamidoantipyrine Chemical Properties, Uses, Production

Chemical Properties

yellow powder

Uses

A metabolite of Metamizol. Metabolism of Metamizol in early stages of the incubated hen's egg.

Uses

A labelled metabolite of Metamizol. Metabolism of Metamizol in early stages of the incubated hen's egg.

Definition

ChEBI: A member of the class of pyrazoles that is antipyrine substituted by an acetylamino group at position 4. It is a drug metabolite of metamizole.

4-Acetamidoantipyrine Preparation Products And Raw materials

Raw materials

Preparation Products

4-Acetamidoantipyrine Suppliers

Global Suppliers ( 102)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9791	79
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
Shanghai Xingui Biotechnology Co., Ltd.	15121041756	xingui2022@126.com	China	9954	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
Energy Chemical	61
Capot Chemical Co., Ltd	66
Shanghai Hanhong Scientific Co.,Ltd.	64
Chemsky（shanghai）International Co.,Ltd.	50
Sinopharm Chemical Reagent Co,Ltd.	79
Quality Control Solutions Ltd.	56
Shanghai Xingui Biotechnology Co., Ltd.	58

4-Acetamidoantipyrine Spectrum

4-ACETAMIDOANTIPYRINE(83-15-8)MS 4-ACETAMIDOANTIPYRINE(83-15-8)¹HNMR 4-ACETAMIDOANTIPYRINE(83-15-8)¹³CNMR 4-ACETAMIDOANTIPYRINE(83-15-8)IR1 4-ACETAMIDOANTIPYRINE(83-15-8)IR2

83-15-8 (4-Acetamidoantipyrine) Related Search:

Antipyrine 4-Aminoantipyrine Aminopyrine 4-Acetamidoantipyrine 1,5-Dimethyl-4-nicotinamido-2-phenyl-3-pyrazolone

Aminopropylon 2-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-1,3-dioxoisoindoline-5-carboxylic acid SALOR-INT L253073-1EA 2-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide AKOS B029784

AKOS BBS-00004703 SALOR-INT L252417-1EA N-(2,3-Dimethyl-5-oxo-1-phenyl(3-pyrazolin-4-yl))(3-phenoxyphenyl)formamide 2,2,2-Trichloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide N,N'-Bis-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-malonamide

N-(2,3-Dimethyl-5-oxo-1-phenyl(3-pyrazolin-4-yl))(3-(trifluoromethyl)phenyl)formamide N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-hydroxyimino-acetamide 2-([(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino]carbonyl)benzoic acid

1of4

N-(2,3-dimethyl-5-oxo-1-phenyl-3-pyrazolin-4-yl)acetamide N-Acetyl-4-aminoantipyrin N-Acetyl-4-aminoantipyrin;4-Acetamidoantipyrine 4-Acetoaminoantipyrine 4-Acetylaminoantipyrine 4-Acetylaminophenazone Acetamide, N-antipyrinyl- Acetamidoantipyrine Acetyl-4-aminoantipyrine Acetylaminoantipyrine Acetylated 4-aminoantipyrine Aminoantipyrine, N-acetyl- Antipyrine, 4-acetamido- n-acetylaminoantipyrine N-ACETYL-4-AMINOANTIPYRINE N-ACETYL-4-AMINOPHENAZONE 4-acetamidophenazone LABOTEST-BB LT00012628 1,5-DIMETHYL-2-PHENYL-4-ACETYLAMINOPYRAZOLONE 4-ACETAMIDO-1,5-DIMETHYL-2-PHENYL-3-PYRAZOLONE 4-ACETAMINOANTIPYRINE 4-Acetylamino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one 4-Acetylamino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one N-(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)acetamide N-(2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazole-4-yl)acetamide 4-Acetamidoantipyrine,97% 4-Acetamidoantipyrine 98% Antipyrine IMpurity N-Antipyrinylacetamide NSC 331807 MetaMizole IMpurity (N-AcetylaMinoantipyrine) Antipyrine Impurity 2 N-(1,5-dimethyl-3-oxo-2-phenyl-4-pyrazolyl)acetamide Antipyrine Impurity 2 (Metamizole Impurity 3) Acetamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)- Antipyrine Impurity 1 (4-Acetamido Antipyrine) 4-ACETAMIDOANTIPYRINE USP/EP/BP N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)acetamide Metamizole Impurity 3 (Antipyrine Impurity 2) Acetamidoantipyrine Impurity 4-Acetamidoantipyrine in methanol 4-Acetamidoantipyrine 10.0 μg/ml Acetonitrile C10011900 4-Acetylaminoantipyrine 4-Acetylaminoantipyrine 10 μg/mL in Acetonitrile 4Acetamidoantipyrine (Standard) N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide 4-Acetamidoantipyrine 83-15-8 C13H12D3N3O2 C13H15N3O2 Pyrazoles Building Blocks Heterocyclic Building Blocks Pyrazoles Amino Acids Amines Aromatics Heterocycles