L-Lysine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N6-(1-thioxoethyl)- CAS 904314-07-4
| CAS No. | 904314-07-4 |
| Molecular Formula | C23H26N2O4S |
| Molecular Weight | 426.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), L-Lysine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N6-(1-thioxoethyl)- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
L-Lysine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N6-(1-thioxoethyl)- (CAS 904314-07-4) is a high-purity analytical reference standard with the molecular formula C23H26N2O4S and a molecular weight of 426.53 g/mol.
Structurally, L-Lysine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N6-(1-thioxoethyl)- (C23H26N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 426.53 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.
Physical & Chemical Properties
| Molecular Formula | C23H26N2O4S |
| Molecular Weight | 426.53 g/mol |
| Purity | 97%+ |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related L Standards
- Lysine Impurity 16 (CAS 4272-71-3)
- L-Lysine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N6-[1-oxo-3-(3-pyridinyl)-2-propen-1-yl]- (CAS 1363155-71-8)
- L-Lysine, N6-[4-(1,1-dimethylethoxy)-1,4-dioxobutyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]- (CAS 1354905-64-8)
- L-Lysine compound with 2-propylpentanoic acid (1:1) (CAS 86827-89-6)
- L-Lysine compound with butyric acid (1:1) (CAS 80407-71-2)
- DL-Lysine EP Impurity I (CAS CATO-C4X-221128)
- Lysine Impurity 30 (CAS CATO-C4X-221130)
- Dl-Lysine Acetylsalicylate EP Impurity I (CAS CATO-C4X-221135)
Recommended Standards
- 2-[(4-Methylphenyl)methanesulfonyl]-4,5-diphenyl-1-(prop-2-yn-1-yl)-1H-imidazole (CAS 866038-66-6)
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- (4R)-2-((S)-1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methylpropyl)thiazolidine-4-carboxylic acid (CAS 2624118-11-0)
- N-(4-((4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)sulfonyl)phenyl)butyramide (CAS 886904-83-2)
- 1-Methyl-4-nitro-1H-imidazole-5-sulfonamide (CAS 6339-55-5)
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- 9,9-Dimethyl-n-(naphthalen-2-yl)-9h-fluoren-2-amine (CAS 1263001-82-6)
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