Methyl 2-(4-bromo-5-(((tert-butyldimethylsilyl)oxy)methyl)-2-methylphenyl)acetate CAS 1956340-19-4
| CAS No. | 1956340-19-4 |
| Molecular Formula | C17H27BrO3Si |
| Molecular Weight | 387.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies Methyl 2-(4-bromo-5-(((tert-butyldimethylsilyl)oxy)methyl)-2-methylphenyl)acetate (CAS 1956340-19-4), a certified reference material (molecular formula C17H27BrO3Si, MW 387.38 g/mol) for analytical method development and quality control.
Structurally, Methyl 2-(4-bromo-5-(((tert-butyldimethylsilyl)oxy)methyl)-2-methylphenyl)acetate (C17H27BrO3Si) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 387.38 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures Methyl 2-(4-bromo-5-(((tert-butyldimethylsilyl)oxy)methyl)-2-methylphenyl)acetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H27BrO3Si |
| Molecular Weight | 387.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
Related Methyl Standards
- 7-Bromo-4-chloro-8-fluoro-6-iodoquinazoline (CAS 2823477-60-5)
- 2-(8-bromo-1-naphthyl)ethynyl-triisopropyl-silane (CAS 2454490-90-3)
- 1'-Benzyl-7-bromo-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine] (CAS 1956334-78-3)
- 2-Bromo-3-(2-hexyldecyl)thiophene (CAS 1345699-93-5)
- 2-Bromo-3-hexadecylthiophene (CAS 827343-08-8)
- 3-Bromo-N-(4-(3,4-dimethylphenyl)thiazol-2-yl)benzamide (CAS 312923-09-4)
- (S)-3-Bromo-N-((1-ethylpyrrolidin-2-yl)methyl)-5-hydroxy-2,6-dimethoxybenzamide (CAS 101460-36-0)
- 2-Bromo-3,5,6-triphenylpyrazine (CAS 243472-73-3)
Recommended Standards
- (4S)-3-[(2R)-2-[(2R)-2-(2,4-Difluorophenyl)oxiranyl]-1-oxopropyl]-4-benzyl-2-oxazolidinone (CAS 166948-47-6)
- (2s)-2-(3,3-Difluorocyclobutyl)-2-(9h-fluoren-9-ylmethoxycarbonylamino)aceticacid (CAS 2349734-08-1)
- (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4,4-difluoropiperidine-2-carboxylic acid (CAS 1221793-52-7)
- (3S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-(difluoromethyl)pyrrolidine-3-carboxylic acid (CAS 2137037-12-6)
- (S)-Benzyl (4-chloro-3-oxobutan-2-yl)carbamate (CAS 41036-43-5)
- (S)-N-Isopropyl-1-methylpyrrolidine-2-carboxamide (CAS 80090-64-8)
- Traesolide (CAS 68140-48-7)
- 2-(4-Methylsulfonyl-2-nitrophenyl)malondialdehyde (CAS 197251-71-1)
- 3-(3,4-Dimethoxyphenyl)-1H-1,2,4-triazole (CAS 1279218-29-9)
- (2-Amino-6-methoxyphenyl)(phenyl)methanone (CAS 461694-83-7)
- 2-(2,4-Diamino-6-(difluoromethyl)pyridin-3-yl)acetic acid (CAS 1805315-88-1)
- (2R)-1-Cyclobutyl-2-methyl-piperazine (CAS 1241093-83-3)
- N-(5-Amino-2-methylphenyl)-2-(2-chlorophenoxy)-acetamide (CAS 954580-11-1)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
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 18665070610 / Nicole.chen@cato-chem.com