ChemicalBook > CAS DataBase List > 1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one

1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one

Product Name: 1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one
CAS No.: 4656-86-4
Chemical Name: 1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one
Synonyms: NSC 22419;Temozolomide Impurity A;Temozolamide EP Impurity-E;Hypoxanthine 2-Aza Impuirty;Temozolomide Impurity 5(EP-E);2,3-dihydroimidazo[4,5-d]triazin-4-one;3H-Imidazo[4,5-d][1,2,3]triazin-4(7H)-one;7H-Imidazo[4,5-d]-1,2,3-triazine-4(3H)-one;3H,4H,7H-Imidazo[4,5-D][1,2,3]Triazin-4-One;3,7-Dihydro-4H-IMidazo[4,5-d]-v-triazin-4-one
CBNumber: CB7895427
Molecular Formula: C4H3N5O
Formula Weight: 137.1
MOL File: 4656-86-4.mol

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1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one Property

Density: 2.26±0.1 g/cm3(Predicted)
storage temp.: 2-8°C
pka: 8.66±0.20(Predicted)
form: solid

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Safety

HS Code: 2933999552

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

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

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: Y0000734
Product name: Dacarbazine impurity A
Purity: European Pharmacopoeia (EP) Reference Standard
Packaging: 20 mg
Price: $153
Updated: 2025/07/31

Sigma-Aldrich

Product number: BP024
Product name: 2-Azahypoxanthine
Purity: British Pharmacopoeia (BP) Reference Standard
Packaging: 50MG
Price: $272
Updated: 2025/07/31

Sigma-Aldrich

Product number: 1162330
Product name: Dacarbazine impurity A
Packaging: 50mg
Price: $1480
Updated: 2025/07/31

Sigma-Aldrich

Product number: Y0000734
Product name: Dacarbazine impurity A
Purity: European Pharmacopoeia (EP) Reference Standard
Packaging: y0000734
Price: $150
Updated: 2024/03/01

SynQuest Laboratories

Product number: 4H48-1-FJ
Product name: 1,5-Dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one
Packaging: 1g
Price: $695
Updated: 2021/12/16

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1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one Chemical Properties,Usage,Production

Uses

2-Azahypoxanthine is a major degradation product of Dacarbazine (D101400). 2-Azahypoxanthine is possibly linked with some adverse effects of Dacarbazine (D1014000.

1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

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4656-86-4, 1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one Related Search:

Cyanotemozolomide 5-(Amino-1-(N-methyl Carbamoyl) Temozolomideacid Cyano temozolomide Dimethylamine Dacarbazine 5-Amino-4-imidazolecarboxamide Temozolomide Impurity 7 3-Amino-2-(formylamino)-3-iminopropanamide TeMozoloMide Metabolite - MTIC 4-diazo-4H-imidazole-5-carboxamide Temozolomide

2,3-dihydroimidazo[4,5-d]triazin-4-one

1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one

Temozolomide Impurity A

Dacarbazine Impurity 1(Dacarbazine EP Impurity A)

Temozolomide Impurity 5(EP-E)

4,5-Dihydro-1H-imidazo[4,5-d]-1,2,3-triazin-4-one

7H-Imidazo[4,5-d]-1,2,3-triazine-4(3H)-one

3,7-Dihydro-4H-iMidazo[4,5-d]-1,2,3-triazin-4-one

3,7-Dihydro-4H-IMidazo[4,5-d]-v-triazin-4-one

NSC 22419

Dacarbazine IMpurity A (3,7-Dihidro-4H-IMidazo[4,5-d][1,2,3]triazin-4-One)

Dacarbazine Related Compound B (50 mg) (2-azahypoxanthine monohydrate)

3H,4H,7H-Imidazo[4,5-D][1,2,3]Triazin-4-One

Dacarbazine EP Impurity A (2-Azahypoxanthine)

Hypoxanthine 2-Aza Impuirty

4H-Imidazo[4,5-d]-1,2,3-triazin-4-one, 3,7-dihydro-

Temozolomide Impurity 5（Temozolomide EP Impurity E）

Temozolomide 2-Azahypoxanthine ImpurityQ: What is Temozolomide 2-Azahypoxanthine Impurity Q: What is the CAS Number of Temozolomide 2-Azahypoxanthine Impurity Q: What is the storage condition of Temozolomide 2-Azahypoxanthine Impurity Q: What are the applications of Temozolomide 2-Azahypoxanthine Impurity

3H-Imidazo[4,5-d][1,2,3]triazin-4(7H)-one

3,7-dihydro-4 H -imidazo [4,5 - d ]-1,2,3-triazin-4-one (2-azahypoxanthine),

Temozolamide EP Impurity-E

Dacarbazine Impurity A Sodium Salt Trihydrate (2-Azahypoxanthine Sodium Salt Trihydrate) tautomer

4656-86-4