5-(Chloromethyl)fluorescein, 90%, single isomer CAS 147963-25-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 147963-25-5 |
| Molecular Formula | C21H13ClO5 |
| Molecular Weight | 380.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Chloromethyl)fluorescein, 90%, single isomer (CAS 147963-25-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H13ClO5. Molecular weight: 380.78 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H13ClO5 |
| Molecular Weight | 380.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
Related Chloromethyl Standards
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- 4-(Chloromethyl)-1,2-bis(octyloxy)benzene (CAS 870719-43-0)
- 1-(chloromethyl)-3,5-diiodobenzene (CAS 1393576-75-4)
- 2-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-sulfonyl chloride (CAS 1804938-07-5)
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- 2-(Chloromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-sulfonyl chloride (CAS 1805309-94-7)
- 4-(Chloromethyl)-5-((2,6-dichlorophenyl)thio)-1-methyl-3-phenyl-1H-pyrazole (CAS 318248-41-8)
- [3-(chloromethyl)phenyl]{4-[3-(trifluoromethyl)pyridin-2-yl]piperazino}methanone (CAS 260367-78-0)
Recommended Standards
- 1-Chloro-7-methoxy-4-nitro-9-phenoxyacridine (CAS 134039-84-2)
- N-(2-benzoyl-4-chlorophenyl)-4-nitrobenzamide (CAS 157488-07-8)
- R 7050 (CAS 303997-35-5)
- 5-(2,4-Difluorophenyl)isoxazole (CAS 138716-46-8)
- 1-Cyclopropyl-2-(1-methyl-1h-imidazol-2-yl)ethan-1-one (CAS 1341545-62-7)
- N-(4-chloro-2-methylphenyl)-4-(N’-hydroxycarbamimidoyl)benzamide (CAS 1097079-26-9)
- 10-(Chloromethyl)-5,5-difluoro-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide (CAS 208462-25-3)
- N-(4-Acetylphenyl)-2-((3-phenyl-1,2,4-thiadiazol-5-yl)thio)acetamide (CAS 864856-27-9)
- Sunflower Oil (CAS 8001-21-6)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com