Temozolomide Impurity 20 CAS 18514-52-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 18514-52-8 |
| Molecular Formula | C4H4N4 |
| Molecular Weight | 108.10 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Temozolomide Impurity 20 (CAS 18514-52-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C4H4N4. Molecular weight: 108.10 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4N4 |
| Molecular Weight | 108.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
Related Temozolomide Standards
- Temozolomide Impurity 16 (CAS 20344-79-0)
- Temozolomide Impurity 14 (CAS 57052-92-3)
- Temozolomide Impurity 22 (CAS 1114912-01-4)
- Temozolomide Impurity 23 (CAS 360-97-4)
- Temozolomide Impurity 18 (CAS 4919-04-4)
- Temozolomide Impurity 16 (CAS 71749-37-6)
- Temozolomide EP Impurity D (CAS 7008-85-7)
- Temozolomide Impurity 10 (CAS 90801-87-9)
Recommended Standards
- Diaminomaleonitrile (CAS 1187-42-4)
- Antipyrine Impurity N1 (CAS 79917-37-6)
- 2-(1-hydroxyethylidene)malononitrile (CAS 5515-35-5)
- Tucatinib Impurity 19 (CAS CATO-C4X-260519)
- Donepezil EP impurity C (CAS 2452407-76-8)
- 2-Ethoxy-4-fluoro-5-nitroaniline (CAS 1446413-77-9)
- 3-(1,1-Difluoroethyl)-7-(hydroxymethyl)quinoxalin-2(1H)-one (CAS 2589533-43-5)
- (E)-3-(2-(3-chlorophenoxy)phenyl)acrylic acid (CAS 338393-65-0)
- 1-(4-(3-Bromopropoxy)phenyl)ethan-1-one (CAS 65623-98-5)
- Neuroendocrine Regulatory Peptide-1 (human) (H-6622.1000) (CAS 954420-50-9)
Why CATO?
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