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4-Acetoxyacetanilide

4-Acetoxyacetanilide structure

CAS No.: 2623-33-8

Chemical Name:: 4-Acetoxyacetanilide

Synonyms: Diacetamate;4-Acetamidophenyl acetate;NSC 6083;NSC 33893;Diacetamat;Diacetylaminophenol;O-Acetylparacetamol;ACETAMINOPHENE IMP H;p-Acetoxyacetanilide;4-Acetoxyacetanilide

CBNumber:: CB9135778

Molecular Formula:: C10H11NO3

Molecular Weight:: 193.2

MDL Number:: MFCD00059205

MOL File:: 2623-33-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-08-05 19:35:02

Product description	Number	Pack Size	Price
4′-Acetoxyacetanilide (Acetaminophen RCA)	PHR1612	50mg	$201
Acetaminophen Related Compound A	1003010	15mg	$1290
4'-Acetoxyacetanilide >99.0%(HPLC)(N)	A0067	5g	$68
4'-Acetoxyacetanilide >99.0%(HPLC)(N)	A0067	25g	$188
Acetaminophen acetate	IA16944	500mg	$235
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4-Acetoxyacetanilide Properties

Melting point	155°C
Boiling point	329.41°C (rough estimate)
Density	1.2307 (rough estimate)
refractive index	1.5300 (estimate)
storage temp.	Sealed in dry,Store in freezer, under -20°C
solubility	Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
pka	14.41±0.70(Predicted)
form	Solid
color	White to Off-White
Water Solubility	0.32g/L(25 ºC)
CAS DataBase Reference	2623-33-8(CAS DataBase Reference)
FDA UNII	BFG1TY61BG
EPA Substance Registry System	4-Acetoxyacetanilide (2623-33-8)
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H319

Precautionary statements

P305+P351+P338

Risk Statements

36/37/38

Safety Statements

26-36/37/39

WGK Germany

TSCA

TSCA listed

HS Code

2924296000

REACH Registrations

Active

NFPA 704

	0
1		0

4-Acetoxyacetanilide price More Price(40)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR1612	4′-Acetoxyacetanilide (Acetaminophen RCA)	2623-33-8	50mg	$201	2026-04-30	Buy
Sigma-Aldrich	1003010	Acetaminophen Related Compound A	2623-33-8	15mg	$1290	2026-04-30	Buy
TCI Chemical	A0067	4'-Acetoxyacetanilide >99.0%(HPLC)(N)	2623-33-8	5g	$68	2026-04-30	Buy
TCI Chemical	A0067	4'-Acetoxyacetanilide >99.0%(HPLC)(N)	2623-33-8	25g	$188	2026-04-30	Buy
Biosynth	IA16944	Acetaminophen acetate	2623-33-8	500mg	$235	2026-06-04	Buy

Product number	Packaging	Price	Buy
PHR1612	50mg	$201	Buy
1003010	15mg	$1290	Buy
A0067	5g	$68	Buy
A0067	25g	$188	Buy
IA16944	500mg	$235	Buy

4-Acetoxyacetanilide Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

analgesic, antiinflammatory

Uses

A synthetic impurity of Acetaminophen

Application

4′-Acetoxyacetanilide may be used as a reference standard for the determination of 4′-acetoxyacetanilide in pharmaceutical formulations by high performance liquid chromatography (HPLC) technique.

General Description

4′-Acetoxyacetanilide is an impurity of Acetaminophen, or Paracetamol as known internationally. This certified solution standard can be used for multiple HPLC applications including pharmaceutical testing, research, and Monograph testing methods. Acetaminophen belongs to a class of drugs called analgesics (pain relievers) and antipyretics (fever reducers).

4-Acetoxyacetanilide Preparation Products And Raw materials

Raw materials

Preparation Products

4-Amino-3-nitrophenol 3,5-dichloro-1,4-aminophenol 4-IODO-3-NITROPHENOL 2-BENZYL-4-METHYL-PYRROLO(3,4-C)QUINOLINE-1,3-DIONE

4-Acetoxyacetanilide Suppliers

Global( 175)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	32998	60
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14320	58
career henan chemical co	+86-0371-86658258	factory@coreychem.com	China	29780	58
TargetMol Chemicals Inc.	+1-781-999-5354; +1-00000000000	marketing@targetmol.com	United States	32431	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
ANHUI WITOP BIOTECH CO., LTD	+8618071025641	eric@witopchemical.com	China	23506	58
Xi'an MC Biotech, Co., Ltd.	029-89275612 +8618991951683	mcbio_sales@163.com	China	2240	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 17705817739	info@dycnchem.com	China	52693	58
Nextpeptide Inc	+86-0571-81612335 +8613336028439	sales@nextpeptide.com	China	19905	58
sgtlifesciences pvt ltd	+91-8790379245	dj@sgtlifesciences.com	China	12351	58

Supplier	Advantage
ATK CHEMICAL COMPANY LIMITED	60
Standardpharm Co. Ltd.	58
career henan chemical co	58
TargetMol Chemicals Inc.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Xi'an MC Biotech, Co., Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Nextpeptide Inc	58
sgtlifesciences pvt ltd	58

View Lastest Price from 4-Acetoxyacetanilide manufacturers

Update time	Product	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-04	4-Acetamidophenyl acetate 2623-33-8			10g	TargetMol Chemicals Inc.
2025-08-22	4-Acetamidophenyl acetate 2623-33-8			10g	TargetMol Chemicals Inc.
2022-01-15	(4-acetamidophenyl)acetate 2623-33-8	1KG	97.5%	100 tons	Honest Joy Holdings Limited

4-Acetamidophenyl acetate
2623-33-8
$0.00
TargetMol Chemicals Inc.

4-Acetamidophenyl acetate
2623-33-8
$0.00
TargetMol Chemicals Inc.

(4-acetamidophenyl)acetate
2623-33-8
$0.00
97.5%
Honest Joy Holdings Limited

4-Acetoxyacetanilide Spectrum

4-Acetoxyacetanilide(2623-33-8)MS 4-Acetoxyacetanilide(2623-33-8)¹HNMR 4-Acetoxyacetanilide(2623-33-8)¹³CNMR 4-Acetoxyacetanilide(2623-33-8)IR1 4-Acetoxyacetanilide(2623-33-8)IR2 4-Acetoxyacetanilide(2623-33-8)Raman

2623-33-8(4-Acetoxyacetanilide)Related Search:

Acetanilide 2-Acetamidophenol ACETAMINOPHEN IMPURITY B 4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one 4'-CHLOROACETANILIDE

Paracetamol (Acetaminophen) EP Impurity L 4'-Hydroxyacetophenone 3-CHLORO-4-HYDROXYACETANILIDE 2'-Hydroxyacetophenone PHENYL ACETATE

Diloxanide furoate 2-HYDROXYBENZOIC ACID 4-(ACETYLAMINO)PHENYL ESTER BENORILATE Pidolacetamol Propacetamol

MEOSUC-GLY-LEU-PHE-AMC 4-Acetoxy-1-acetylamino-2-nitro-benzene SUC-TYR-VAL-ALA-ASP-AMC

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(4-acetamidophenyl) ethanoate acetic acid (4-acetamidophenyl) ester 4-Acetylaminophenol acetate Acetic acid 4-(acetylamino)phenyl ester Acetaminophen Impurity 2 Paracetamol Impurity H Paracetamol EP Impurity H Paracetamol Impurity 8(Paracetamol EP Impurity H) Acetaminophen EP Impurity H AcetaMinophen iMpurity (ParacetaMol IMpurity H) N,O-Diacetyl-4-aMinopheno AcetaMinophen Related CoMpound A 4′-Acetoxyacetanilide (Acetaminophen RCA) 4-(Acetylamino)phenyl acetate Acetamide, N-[4-(acetyloxy)phenyl]- Acetaminophen acetate Acetanilide, 4'-hydroxy-, acetate (ester) Diacetamat n-[4-(acetyloxy)phenyl]-acetamid N-Acetyl-4-aminophenyl acetate N,O-DIACETYL-4-AMINOPHENOL O,N-DIACETYL-4-AMINOPHENOL ACETAMINOPHEN IMPURITY H ACETAMINOPHENE IMP H Diacetylaminophenol 4'-Hydroxyacetanilide Acetate Acetaminophen Acetate (Acetaminophen Impurity) Acetaminophen Impurity N-[4-(Acetyloxy)phenyl]acetamide NSC 33893 NSC 6083 O-Acetylparacetamol p-Acetoxyacetanilide 4-(Acetylamino)phenol acetate Paracetamol EP Impurity H( 4-Acetoxyacetanilide) Paracetamol (Acetaminophen) EP Impurity H 4-(Acetylamino)phenyl Acetate (N,O- 4'-Acetoxyacetanilide > Acetaminophen impurity H(Paracetamol Impurity H) Acetaminophen impurities1462 Acetaminophen Related Compound A (4-(acetylamino)phenyl acetate) (1003010) Paracetamol Impurity H（EP） Acetaminophen USP Related Compound A 4'-Acetoxyacetanilide Paracetamol EP Impurity H 4-acetamidophenyl acetate N,O-Diacetyl-4-aminophenol in methanol 4-Acetoxyacetanilide 4-Acetamidophenyl acetate (Acetaminophen Impurity) 4-Acetamidophenyl acetate Diacetamate 2623-33-8 2633-33-8 Impurities Intermediates & Fine Chemicals Pharmaceuticals