ALLOPURINOL IMPURITY C

Product Name: ALLOPURINOL IMPURITY C
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
Formula Weight: 178.15
MOL File: Mol file

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ALLOPURINOL IMPURITY C Property

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)
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

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Safety

RIDADR: UN 3077 9 / PGIII
HS Code: 2933199050

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: BP843
Product name: Allopurinol impurity C
Purity: British Pharmacopoeia (BP) Reference Standard
Packaging: 10MG
Price: $248
Updated: 2025/07/31

Sigma-Aldrich

Product number: A0350030
Product name: Allopurinol impurity C
Purity: European Pharmacopoeia (EP) Reference Standard
Packaging: 15 mg
Price: $156
Updated: 2025/07/31

Sigma-Aldrich

Product number: 1013035
Product name: Allopurinol Related Compound C
Purity: United States Pharmacopeia (USP) Reference Standard
Packaging: 25mg
Price: $1200
Updated: 2025/07/31

Sigma-Aldrich

Product number: A0350030
Product name: Allopurinol impurity C
Purity: European Pharmacopoeia (EP) Reference Standard
Packaging: a0350030
Price: $153
Updated: 2024/03/01

Sigma-Aldrich

Product number: PHR2007
Product name: Allopurinol Related Compound C
Purity: Pharmaceutical Secondary Standard; Certified Reference Material
Packaging: 50mg
Price: $696
Updated: 2025/07/31

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ALLOPURINOL IMPURITY C Chemical Properties,Usage,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

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ALLOPURINOL IMPURITY C Suppliers

Canada 1 China 59 France 1 India 12 United States 4 Global 77

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1346604-13-4, ALLOPURINOL IMPURITY CRelated Search:

synthesis-014 synthesis-017 2-chloro-N-(4-methylbenzyl)benzamide 1-Ethyl-3(3-dimethylamino)urea 2-chloro-N-(4-methylbenzyl)benzamide alpha-methylcholine (2,4-dichlorophenyl)methyl acetate synthesis-015 Galeterone 3-(3,5-DIMETHOXY-PHENYL)-PROPIONIC ACID ETHYL ESTER 4-AMino-5-(forMaMidoMethyl)-2-MethylpyriMidine 4-AMINO-6-CHLORO-BENZENE-1,3-DISULFONYL DICHLORIDE synthesis-015-HCl 5-(forMylaMino)-1H-pyrazole-4-carboxaMide 2,3-Dichlorobutane Allopurinol Impurity 1 Allopurinol Related CoMpound F Allopurinol-d2

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 ,

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

1346604-13-4

136604-13-4