Fluorescent Brightener 28 CAS 4404-43-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 4404-43-7 |
| Molecular Formula | C40H44N12O10S2 |
| Molecular Weight | 916.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Fluorescent Brightener 28 (CAS 4404-43-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C40H44N12O10S2. Molecular weight: 916.98 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C40H44N12O10S2 |
| Molecular Weight | 916.98 g/mol |
| Purity | >95% |
| 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) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 12 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 1-(2,5-Dimethyl-1H-pyrrol-1-yl)-1-((2,2'',4,4'',6,6''-hexaethyl-[1,1':3',1''-terphenyl]-2'-yl)oxy)-1-(2-methyl-2-phenylpropylidene)-N-(perfluorophenyl)molybdenumimine (CAS 1895884-08-8)
- (2R,3S,5R)-5-(4-Benzamido-5-((2-cyanoethoxy)methyl)-2-oxopyrimidin-1(2H)-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite (CAS 188411-06-5)
- 2-phenyl-3,4-dihydropyrimidin-4-one (CAS 33643-94-6)
- 4-Bromo-2,5-dimethyl-thiophene-3-carbonitrile (CAS 1379362-41-0)
- 5-(3-Fluoro-4-methoxyphenyl)-6-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 861207-30-9)
- 2-(2-((1-Phenylethyl)amino)ethoxy)ethan-1-ol (CAS 1042540-42-0)
- (7-Bromoquinolin-3-yl)methanamine (CAS 1196155-30-2)
- Dimethyl[2-(pyrrolidin-3-yloxy)ethyl]amine dihydrochloride (CAS 1394040-74-4)
- Vonoprazan Impurity 211 (CAS CATO-C4X-1020211)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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