5,5',5''-(2-Bromopropane-1,1,1-triyl)tris(2-methylfuran) CAS 87688-71-9
| CAS No. | 87688-71-9 |
| Molecular Formula | C18H19BrO3 |
| Molecular Weight | 363.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,5',5''-(2-Bromopropane-1,1,1-triyl)tris(2-methylfuran) (CAS 87688-71-9), molecular formula C18H19BrO3 and molecular weight 363.25 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5,5',5''-(2-Bromopropane-1,1,1-triyl)tris(2-methylfuran) (C18H19BrO3) is characterized by a steroid core, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H19BrO3 |
| Molecular Weight | 363.25 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
Related Bromopropane Standards
- 1-[(3-bromopropane)sulfonyl]-4-chlorobenzene (CAS 5755-82-8)
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- 3-bromopropane-1-sulfonyl chloride (CAS 89123-01-3)
- 3-Bromopropane-1-sulfonic acid (CAS 73384-82-4)
- 3-Bromopropane-1-sulfonamide (CAS 88496-95-1)
- 3-bromopropane-1-thiol (CAS 75694-39-2)
- (S)-3-bromopropane-1,2-diol (CAS 137490-63-2)
- (R)-3-Bromopropane-1,2-diol (CAS 14437-88-8)
Recommended Standards
- 4-Bromo-N-[(4-methyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)methyl]benzene-1-sulfonamide (CAS 338421-55-9)
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- 4-Bromo-2-methyl-5-(propan-2-yl)phenyl 4-methoxybenzoate (CAS 439094-30-1)
- tert-Butyl 3-benzyloxy-4-bromobenzoate (CAS 247186-50-1)
- Methyl (R)-3-methylindoline-4-carboxylate hydrochloride (CAS 2306248-62-2)
- 1-{4,5-dimethyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethan-1-one (CAS 1787868-17-0)
- Furan-3-yl(2-methyl-[1,1'-biphenyl]-4-yl)methanol (CAS 1443306-47-5)
- 6-Fluoro-2-(4-fluorophenyl)quinoline-4-carboxylic acid (CAS 1543-31-3)
- 1,2-Bis[2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl]-3,3,4,4,5,5-hexafluoro-1-cyclopentene (CAS 1821062-80-9)
- Disperse Violet 27 (CAS 19286-75-0)
- 3-Amino-N-(2-ethoxyphenyl)benzofuran-2-carboxamide (CAS 1105190-05-3)
- 2-Propenoic acid, 2-methyl-, octadecyl ester, polymer with 2-propenoic acid, compd. with 2-(dimethylamino)-2-methyl-1-propanol (CAS 167078-16-2)
- 4,7-Dibromo-2-propyl-2H-benzotriazole (CAS 2102849-02-3)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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