5.00609

Temozolomide

≥99% (HPLC), DNA-methylating agent, solid

• Synonym(e): Temozolomide, CCRG 81045, TMZ, 3,4-Dihydro-3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide, NSC 362856, 3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide
• Empirische Formel (Hill-System): C₆H₆N₆O₂
• CAS-Nummer: 85622-93-1
• Molekulargewicht: 194.15
• UNSPSC Code: 12352200
• NACRES: NA.77
• MDL number: MFCD00866492
• Assay: ≥99% (HPLC)
• Form: solid
• Quality level: 100
• Storage condition: OK to freeze, protect from light

Eigenschaften

• Produktname: Temozolomide,
• assay: ≥99% (HPLC)
• Quality Level: 100
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze, protect from light
• color: off-white
• solubility: DMSO: 25 mg/mL
• storage temp.: 2-8°C
• SMILES string: [n]21c(nn[n]([c]2=O)C)c(nc1)C(=O)N
• InChI: 1S/C6H6N6O2/c1-11-6(14)12-2-8-3(4(7)13)5(12)9-10-11/h2H,1H3,(H2,7,13)
• InChI key: BPEGJWRSRHCHSN-UHFFFAOYSA-N

Beschreibung

General description

A cell-permeable, orally bioavailable, blood-brain barrier-permeant MTIC [5-(3-methyltriazen-1-yl-)-imidazole-4-carboxamide] prodrug whose in vivo DNA alkylating activity is employed in anticancer therapy. MGMT (O⁶-methylguanine DNA methyl transferase) repairs TMZ-damaged DNA lesion by covalently transferring O⁶-methylation on guanine residues to a cysteine residue on the MGMT, forming the basis of TMZ-resistance in cancer treatment.

Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.

Biochem/physiol Actions

Cell permeable: yes

Primary Target
DNA guanine residues

Reversible: no

Packaging

Packaged under inert gas

Preparation Note

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Neyns, B., et al. 2010. Cancer116, 2868.
Marchesi, F., et al. 2007. Pharmacol. Res.56, 275.
Chakravarti, A., et al. 2006. Clin. Cancer Res.12, 4738.
Natsume, A., et al. 2005. Cancer Res.65, 7573.
Jen, J.F., et al. 2000. Pharm. Res.17, 1284.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Harmful & Carcinogenic / Teratogenic (E)

Sicherheitshinweise

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H302,H315,H319,H335,H340,H350,H360FD
• pcodes: P201 - P202 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Muta. 1B - Repr. 1B - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• wgk: WGK 3
• Lagerklasse: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects