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ALLOPURINOL IMPURITY C

ALLOPURINOL IMPURITY C structure

CAS No.: 1346604-13-4

Chemical Name:: ALLOPURINOL IMPURITY C

Synonyms: synthesis-005;Allopurinol-001;ALLOPURINOL RC C;Allopurinol EP Imp C;ALLOPURINOL IMPURITY C;Allopurinol Impurity1579;Allopurinol Related CoMpound C;Allopurinol impurity C (A0350030);Allopurinol USP Related Compound C;1346604-13-4

CBNumber:: CB3587524

Molecular Formula:: C6H6N6O

Molecular Weight:: 178.15

MDL Number:: MFCD21363439

MOL File:: Mol file

MSDS File:: SDS

Last updated:2026-05-28 03:21:59

Product description	Number	Pack Size	Price
Allopurinol impurity C British Pharmacopoeia (BP) Reference Standard	BP843	10MG	$266
Allopurinol impurity C European Pharmacopoeia (EP) Reference Standard	A0350030	15 mg	$167
Allopurinol Related Compound C United States Pharmacopeia (USP) Reference Standard	1013035	25mg	$1290
Allopurinol impurity C European Pharmacopoeia (EP) Reference Standard	A0350030	a0350030	$153
3-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide	TRC-T767570-250MG	250mg	$260
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ALLOPURINOL IMPURITY C Properties

Boiling point	579.3±60.0 °C(Predicted)
Density	1.85±0.1 g/cm3(Predicted)
storage temp.	2-8°C
solubility	Aqueous Base (Slightly, Heated), DMSO (Slightly)
form	solid
pka	9.36±0.50(Predicted)
Major Application	pharmaceutical
InChI	InChI=1S/C6H6N6O/c7-5(13)4-1-8-11-6(4)12-2-9-10-3-12/h1-3H,(H2,7,13)(H,8,11)
InChIKey	OFCNXPDARWKPPY-UHFFFAOYSA-N
SMILES	N1C=C(C(N)=O)C(N2C=NN=C2)=N1
FDA UNII	08NO0BP96Y
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319
Precautionary statements	P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313-P362
RIDADR	UN 3077 9 / PGIII
WGK Germany	WGK 3
HS Code	2933199050
Storage Class	11 - Combustible Solids

ALLOPURINOL IMPURITY C price More Price(22)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	BP843	Allopurinol impurity C British Pharmacopoeia (BP) Reference Standard	1346604-13-4	10MG	$266	2026-04-30	Buy
Sigma-Aldrich	A0350030	Allopurinol impurity C European Pharmacopoeia (EP) Reference Standard	1346604-13-4	15 mg	$167	2026-04-30	Buy
Sigma-Aldrich	1013035	Allopurinol Related Compound C United States Pharmacopeia (USP) Reference Standard	1346604-13-4	25mg	$1290	2026-04-30	Buy
Sigma-Aldrich	A0350030	Allopurinol impurity C European Pharmacopoeia (EP) Reference Standard	1346604-13-4	a0350030	$153	2024-03-01	Buy
TRC	TRC-T767570-250MG	3-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide	1346604-13-4	250mg	$260	2026-06-03	Buy

Product number	Packaging	Price	Buy
BP843	10MG	$266	Buy
A0350030	15 mg	$167	Buy
1013035	25mg	$1290	Buy
A0350030	a0350030	$153	Buy
TRC-T767570-250MG	250mg	$260	Buy

ALLOPURINOL IMPURITY C Chemical Properties,Uses,Production

Uses

3-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide (Allopurinol EP Impurity C) is an impurity of Allopurinol (A547300).

ALLOPURINOL IMPURITY C Preparation Products And Raw materials

Raw materials

Preparation Products

ALLOPURINOL IMPURITY C Suppliers

Global( 79)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19936	58
Hubei Ipure Biology Co., Ltd	+8613367258412	ada@ipurechemical.com	China	10236	58
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	laboratory@coreychem.com	China	30224	58
HONG KONG IPURE BIOLOGY CO.,LIMITED	86 18062405514 18062405514	ada@ipurechemical.com	CHINA	3461	58
HANGZHOU CLAP TECHNOLOGY CO.,LTD	86-571-88216897,88216896 13588875226	sales@hzclap.com	CHINA	6312	58
CR Corporation Limited	+8613062833949	fred.wen@crcorporation.cn	China	8645	58
sgtlifesciences pvt ltd	+8617013299288	dj@sgtlifesciences.com	China	12373	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43333	58
Suzhou ARTK Medchem Co., Ltd.	+8618118463618	sales1@artkmedchem.com	China	39021	58

Supplier	Advantage
Standardpharm Co. Ltd.	58
BOC Sciences	58
Hubei Ipure Biology Co., Ltd	58
Career Henan Chemica Co	58
HONG KONG IPURE BIOLOGY CO.,LIMITED	58
HANGZHOU CLAP TECHNOLOGY CO.,LTD	58
CR Corporation Limited	58
sgtlifesciences pvt ltd	58
HANGZHOU LEAP CHEM CO., LTD.	58
Suzhou ARTK Medchem Co., Ltd.	58

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Allopurinol Impurity 1 Allopurinol Related CoMpound F Allopurinol-d2

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ALLOPURINOL IMPURITY C 5-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide Allopurinol Impurity 3(Allopurinol EP Impurity C)(Allopurinol USP Related Compound C ) synthesis-005 Allopurinol Related CoMpound C Allopurinol-001 5-(1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide Allopurinol EP Imp C Allopurinol EP Impurity C（Allopurinol USP Related Compound C） Allopurinol EP Impurity C or Allopurinol USP Related Compound C 1H-Pyrazole-4-carboxamide, 3-(4H-1,2,4-triazol-4-yl)- Allopurinol EP impurity C/ Allopurinol Related Compound C Allopurinol Impurity1579 Allopurinol impurity C (A0350030) Allopurinol USP Related Compound C c .?5-(4h -1,2,4-tri a zol-4-yl)-1h -pyra zole -4-c a rb oxa mi d e , 1346604-13-4 3-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide (3-(4H-1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide (Allopurinol Impurity) ALLOPURINOL RC C Allopurinol EP Impurity C Allopurinol USP RC C 3-(4H-1,2,4-triazole-4-yl)-1H-pyridineazole-4-carboxamide 1346604-13-4 136604-13-4