Temozolomide-8-carboxylic acid

Modify Date: 2026-07-09 11:52:00

Temozolomide-8-carboxylic acid Structure
Temozolomide-8-carboxylic acid structure
Common Name Temozolomide-8-carboxylic acid
CAS Number 113942-30-6 Molecular Weight 195.136
Density 2.0±0.1 g/cm3 Boiling Point 487.7±37.0 °C at 760 mmHg
Molecular Formula C6H5N5O3 Melting Point 177 ºC (decomp)
MSDS N/A Flash Point 248.7±26.5 °C

 Use of Temozolomide-8-carboxylic acid


Temozolomide acid is a carboxylic acid derivative of Temozolomide. Temozolomide is a DNA alkylating agent, methylating the guanine and adenine bases of DNA, causing breaks in DNA double strand, cell cycle arrest, and eventually cell death. Temozolomide acid has an activity similar to the parent compound Temozolomide with the same anticancer activity[1].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid
Synonym More Synonyms

 Temozolomide-8-carboxylic acid Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Temozolomide acid is a carboxylic acid derivative of Temozolomide. Temozolomide is a DNA alkylating agent, methylating the guanine and adenine bases of DNA, causing breaks in DNA double strand, cell cycle arrest, and eventually cell death. Temozolomide acid has an activity similar to the parent compound Temozolomide with the same anticancer activity[1].
Related Catalog
References

[1]. Helal DO, et al. A natural protein based platform for the delivery of Temozolomide acid to glioma cells. Eur J Pharm Biopharm. 2021 Dec;169:297-308.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 2.0±0.1 g/cm3
Boiling Point 487.7±37.0 °C at 760 mmHg
Melting Point 177 ºC (decomp)
Molecular Formula C6H5N5O3
Molecular Weight 195.136
Flash Point 248.7±26.5 °C
Exact Mass 195.039246
PSA 102.38000
LogP -1.46
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.860
InChIKey VVTMIOYTNALQAW-UHFFFAOYSA-N
SMILES Cn1nnc2c(C(=O)O)ncn2c1=O
Storage condition 2-8°C
Water Solubility Slightly soluble (4.3 g/L) (25 ºC)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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Temozolomide-8-carboxylic acid Structure

Temozolomide-8-...

CAS#:113942-30-6

Learn More
Literature: Wang, Yongfeng; Lambert, Peter; Zhao, Linxiang; Wang, Danni European Journal of Medicinal Chemistry, 2002 , vol. 37, # 4 p. 323 - 332

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Temozolomide-8-carboxylic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Modulation of human Nur77 LBD transiently transfected in HEK293T cells at 100 to 200 ...
Source: ChEMBL
Target: Nuclear receptor subfamily 4immunitygroup A member 1
External Id: CHEMBL5392231
Total 1, Current Page 1 of 1
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid
3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid
Temozolomideacid
Temozolomide-8-carboxylic acid

 Temozolomide-8-carboxylic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: LogP of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid is -1.46.
Q: What is the InChIKey of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: InChIKey of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid is VVTMIOYTNALQAW-UHFFFAOYSA-N.
Q: What is the English name of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: The English name of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid is 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid.
Q: What are the uses of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: Main uses of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid: Temozolomide acid is a carboxylic acid derivative of Temozolomide. Temozolomide is a DNA alkylating agent, methylating the guanine and adenine bases of DNA, causing breaks in DNA double strand, cell cycle arrest, and eventually cell death. Temozolomide acid has an activity similar to the parent compound Temozolomide with the same anticancer activity[1].
Q: What is the SMILES notation of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: SMILES notation of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid is Cn1nnc2c(C(=O)O)ncn2c1=O.
Q: What are the upstream materials of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: Related upstream materials(CAS) of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid: 85622-93-1.
Q: How is the water solubility of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: Water solubility of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid: Slightly soluble (4.3 g/L) (25 ºC).
Q: What is the CAS number of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: CAS number of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid is 113942-30-6.
Q: What English synonyms does 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid have?
A: English synonyms of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid: 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid, 3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid, Temozolomideacid, Temozolomide-8-carboxylic acid.
Q: What is the boiling point of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid?
A: Boiling point of 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylic acid is 487.7±37.0 °C at 760 mmHg.

 Temozolomide-8-carboxylic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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