Tetramethylrhodamine-6-maleimide, single isomer CAS 174568-68-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 174568-68-4 |
| Molecular Formula | C28H23N3O5 |
| Molecular Weight | 481.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tetramethylrhodamine-6-maleimide, single isomer (CAS 174568-68-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H23N3O5. Molecular weight: 481.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C28H23N3O5 |
| Molecular Weight | 481.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 3 |
Related Tetramethylrhodamine Standards
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- 2-(6-Tetramethylrhodamine)carboxylic Acid N-Hydroxysuccinimide Ester (CAS 1027512-41-9)
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Recommended Standards
- 2,6-Di-tert-butyl-4-(5-{[(3,4-dichlorophenyl)methyl]sulfanyl}-1,3,4-thiadiazol-2-yl)phenol (CAS 478063-38-6)
- 1-((4-Bromo-3-fluorophenyl)sulfonyl)-4-(2-((tert-butyldimethylsilyl)oxy)ethyl)piperazine 1704096-30-9 (CAS 1704096-30-9)
- Ethyl 2-(3-(3-fluoro-4-methylbenzoyl)-4-hydroxy-5-oxo-2-(pyridin-3-yl)-2,5-dihydro-1H-pyrrol-1-yl)-4-methylthiazole-5-carboxylate (CAS 618072-71-2)
- Uridine 5'-(trihydrogen diphosphate), P'-α-D-mannopyranosyl ester, disodium salt (CAS 108320-88-3)
- 2-Chloro-1-p-tolyl-ethanone (CAS 4209-24-9)
- 6-(Difluoromethyl)-2-fluoro-3-methylpyridine-4-carboxylic acid (CAS 1805519-83-8)
- 2-(4-Methylpiperazine-1-carbonyl)cyclohexane-1-carboxylic acid (CAS 331947-27-4)
- 5-Cyclopropoxy-4-iodo-2-methoxypyridine (CAS 1243348-88-0)
- 4-((4-Methylpiperidin-1-yl)methyl)benzenethiol (CAS 1443345-71-8)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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