Temozolomide Impurity 2 CAS 287964-59-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 287964-59-4 |
| Molecular Formula | C6H4N6O4 |
| Molecular Weight | 224.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Temozolomide Impurity 2 (CAS 287964-59-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4N6O4. Molecular weight: 224.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4N6O4 |
| Molecular Weight | 224.13 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
Related Temozolomide Standards
- Temozolomide Impurity 26 (CAS 13114-72-2)
- Temozolomide Impurity 25 (CAS 83-01-2)
- Temozolomide Impurity 15 (CAS 100607-08-7)
- Temozolomide-d3 (CAS 208107-14-6)
- Temozolomide EP Impurity B (CAS 113942-30-6)
- Temozolomide Impurity 19 (CAS CATO-C4X-135319)
- Temozolomide Impurity 3 (CAS 188612-53-5)
- Temozolomide EP Impurity C (CAS 114601-31-9)
Recommended Standards
- Pentafluoroethyl phenyl ketone (CAS 394-52-5)
- 2-(4-Nitro-3-(trifluoromethyl)-1H-pyrazol-1-yl)ethan-1-amine (CAS 1006440-52-3)
- Allyl pentafluorophenyl ether (CAS 33104-02-8)
- Trilostane Impurity 3 (CAS CATO-C4X-21373)
- Pemafibrate Impurity 102 (CAS CATO-C4X-2903102)
- 2-Oxo-1-phenyl-1,2,4,5,6,7-hexahydropyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1818871-26-9)
- (2-(Phenylthio)pyridin-3-yl)methanol (CAS 43003-89-0)
- Tryptophan Impurity 9 (CAS 141215-69-2)
- 2-(Diisobutylamino)-2-phenylacetic acid (CAS 1103584-13-9)
- Hexapeptide-9 (CAS 1228371-11-6)
Why CATO?
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