2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzo[b]thiophen-3-yl)propanoic acid CAS 1236271-20-7
| CAS No. | 1236271-20-7 |
| Molecular Formula | C26H21NO4S |
| Molecular Weight | 443.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzo[b]thiophen-3-yl)propanoic acid is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzo[b]thiophen-3-yl)propanoic acid (CAS 1236271-20-7), a certified reference material (molecular formula C26H21NO4S, MW 443.51 g/mol) for analytical method development and quality control.
Structurally, 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzo[b]thiophen-3-yl)propanoic acid (C26H21NO4S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 443.51 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C26H21NO4S |
| Molecular Weight | 443.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related H Standards
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- 9H-Fluoren-9-ylmethyl N-[(2S)-1-[4-(tert-butoxy)-phenyl]-3-oxopropan-2-yl]carbamate (CAS 154524-72-8)
- 1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13-tetraoxa-4-azahexadecan-16-oic Acid (CAS 867062-95-1)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(trifluoromethoxy)benzoic acid (CAS 1823234-32-7)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(trifluoromethoxy)benzoic acid (CAS 2243515-63-9)
- 2-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-3-(6-fluoro-1h-indol-3-yl)propanoic acid (CAS 1219392-55-8)
- 2-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-fluoro-1h-indol-3-yl)propanoic acid (CAS 1313032-67-5)
- (9H-Fluoren-9-yl)methyl (3-(2-(2-(3-aminopropoxy)ethoxy)ethoxy)propyl)carbamate (CAS 308241-31-8)
Recommended Standards
- Polaprezinc Impurity 18 (CAS CATO-C4X-182118)
- 4-Methyl-2-oxo-2H-chromen-7-yl tosyl-L-leucinate (CAS 152061-78-4)
- Diazoamino Penicillanic acid (CAS CATO-C4X-175629)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzo[b]thiophen-3-yl)propanoic acid (CAS 177966-61-9)
- N,N-Di-tert-butoxycarbonyl-benzene-1,2-diamine (CAS 452077-13-3)
- 5-((2-Bromo-4,5-dimethylphenoxy)methyl)-1,3,4-oxadiazol-2-amine (CAS 1706464-20-1)
- 3-(6-Methylthiazolo[3,2-b][1,2,4]triazol-5-yl)aniline (CAS 1823499-15-5)
- (S)-11-Benzyl-1-(9H-fluoren-9-yl)-3,6,9,12,15-pentaoxo-2,18-dioxa-4,7,10,13,16-pentaazaicosan-20-oic acid (CAS 2264011-98-3)
- n-Ethyl-3-methyl-N-(pyrrolidin-3-yl)butanamide (CAS 1178703-36-0)
- (2S)-2-ethynylpyrrolidine (CAS 128959-91-1)
- Ethyl 2-(4-oxo-2,6-diphenylpiperidin-3-yl)acetate (CAS 199189-88-3)
- 2-(6-Amino-5-bromo-4-(difluoromethyl)pyridin-3-yl)acetic acid (CAS 1805092-32-3)
- (2-Chloro-6-methylphenyl)methanamine hydrochloride (CAS 1314979-09-3)
- Peptide Impurity 05 (CAS 2322924-83-2)
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