2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylthiophene-3-carboxylic acid CAS 1217863-53-0
| CAS No. | 1217863-53-0 |
| Molecular Formula | C26H19NO4S |
| Molecular Weight | 441.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylthiophene-3-carboxylic 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.
2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylthiophene-3-carboxylic acid (CAS 1217863-53-0), molecular formula C26H19NO4S and molecular weight 441.50 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylthiophene-3-carboxylic acid (C26H19NO4S) 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 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 441.50 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.
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.
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 | C26H19NO4S |
| Molecular Weight | 441.50 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related H Standards
- 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-3-benzylpiperidine-3-carboxylic acid (CAS 1823455-80-6)
- 1-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-phenylcyclohexane-1-carboxylic acid (CAS 851307-75-0)
- 365550-63-6 1-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-phenylcyclohexane-1-carboxylic acid DTXSID60622888 (CAS 365550-63-6)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-(trifluoromethyl)phenyl)acetic acid (CAS 678991-02-1)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3-(trifluoromethyl)phenyl)acetic acid (CAS 678991-14-5)
- 4-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,2,2-trifluoroethyl)benzoic acid (CAS 2137931-72-5)
- 4-(9H-Fluoren-9-yl)-1-methylpiperidin-4-ol (CAS 94310-68-6)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,5-dichlorophenyl)acetic acid (CAS 369403-32-7)
Recommended Standards
- N-(4-(N-(3-(6-Oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)sulfamoyl)phenyl)propionamide (CAS 1021072-39-8)
- Ethyl 4-6-O-benzylidene-2-deoxy-2-phthalimido-β-D-thioglucopyranoside (CAS 129519-28-4)
- N-(6-Amino-1-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-benzyl-2-(methylthio)nicotinamide (CAS 1012508-42-7)
- (S)-5-(4-(3,5-Dimethylisoxazol-4-yl)-2-(pyrrolidin-3-yloxy)phenyl)-2-ureidothiophene-3-carboxamide (CAS 1609281-86-8)
- 4-(5-Chloroimidazo[1,2-a]pyrimidin-7-yl)morpholine (CAS 89099-89-8)
- (4-Hydroxy-2-methoxyphenyl)(phenyl)methanone (CAS 21112-64-1)
- 4-Isopropyl-2-phenyloxazol-5(4H)-one (CAS 5839-93-0)
- 2-(4-Bromophenyl)-1-methyl-5-oxopyrrolidine-3-carboxylic acid (CAS 1282577-02-9)
- 4-Bromo-3-picoline hydrochloride (CAS 40899-37-4)
- (S)-1-(2,2-difluorobenzo[d][1,3]dioxol-4-yl)propan-1-amine (CAS 1213956-50-3)
- n-(Cyclohexylmethyl)cyclopropanamine (CAS 7615-85-2)
- (3-Chloropyridin-4-yl)methanesulfonamide (CAS 1492527-58-8)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-[2-(methoxy-carbonyl)phenoxy]-2-pyrrolidinecarboxylic acid (CAS 1354486-19-3)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
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