Fmoc-(S)-2-aminohex-4-ynoic acid CAS 859841-96-6
| CAS No. | 859841-96-6 |
| Molecular Formula | C21H19NO4 |
| Molecular Weight | 349.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Fmoc-(S)-2-aminohex-4-ynoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 349.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Fmoc-(S)-2-aminohex-4-ynoic acid (CAS 859841-96-6), molecular formula C21H19NO4 and molecular weight 349.38 g/mol, is a CATO reference standard with documented purity and traceability.
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 manufactures Fmoc-(S)-2-aminohex-4-ynoic acid 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 | C21H19NO4 |
| Molecular Weight | 349.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Fmoc Standards
- Fmoc-(<I>R</I>)-propargyl-Ala-OH (CAS 1198791-65-9)
- Fmoc-S-3-amino-5-hexynic acid (CAS 1217669-02-7)
- Fmoc-D-HomoGly(Propargyl)-OH (CAS 1234692-66-0)
- Fmoc-(r,s)-3,4-cis-methanoproline (CAS 1820598-59-1)
- Fmoc-(R)-3-amino-5-hexynoic acid (CAS 332064-94-5)
- Fmoc-L-homopropargylglycine (CAS 942518-21-0)
- N-Fmoc-N-methyl-(S)-2- propargylglycine (CAS 2550906-64-2)
- Fmoc-α-Me-Gly(Propargyl)-OH (CAS 1198791-58-0)
Recommended Standards
- Ethyl 5-(2,6-dimethylphenoxy)-3-phenyl-1,2,4-triazine-6-carboxylate (CAS 338957-41-8)
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- Ethyl 3-((6-(4-methoxyphenyl)pyrimidin-4-yl)amino)benzoate (CAS 920528-61-6)
- Methyl (2R,4S)-1-Boc-4-(benzoyloxy)pyrrolidine-2-carboxylate (CAS 198969-28-7)
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- 3-Fluoro-4-nitrotoluene (CAS 446-34-4)
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