Fmoc-2-cyano-D-phenylalanine CAS 401620-74-4
| CAS No. | 401620-74-4 |
| Molecular Formula | C25H20N2O4 |
| Molecular Weight | 412.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 412.44 g/mol gives Fmoc-2-cyano-D-phenylalanine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Fmoc-2-cyano-D-phenylalanine (CAS 401620-74-4) is a high-purity analytical reference standard with the molecular formula C25H20N2O4 and a molecular weight of 412.44 g/mol.
Based on its molecular formula C25H20N2O4, Fmoc-2-cyano-D-phenylalanine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 412.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C25H20N2O4 |
| Molecular Weight | 412.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Fmoc Standards
- (R)-Fmoc-β-Phe(3-CN)-OH (CAS 517905-91-8)
- (S)-Fmoc-β-Phe(3-CN)-OH (CAS 507472-23-3)
- Fmoc-2-cyano-L-phenylalanine (CAS 401933-16-2)
- Fmoc-3-cyano-D-phenylalanine (CAS 205526-37-0)
- Fmoc-3-cyano-L-phenylalanine (CAS 205526-36-9)
- Fmoc-a-amino-D-Gly(Boc)-OH (B-3585.0500) (CAS 306773-83-1)
- Fmoc-α-amino-DL-Gly(Boc)-OH (CAS 176039-39-7)
- Fmoc-4-cyano-Phe-OH (CAS 173963-93-4)
Recommended Standards
- Ethyl 2-oxo-6-phenyl-4-(3,4,5-trimethoxyphenyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 362497-71-0)
- 9,18-Dihydrobenzo[h]benzo[7,8]quino[2,3-b]acridine-7,16-dione (CAS 7520-01-6)
- 4,4'-((3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-diyl)bis(azanediyl))bis(4-oxobutanoic acid) (CAS 293761-41-8)
- 4-(2-(4-Methoxyphenyl)-3-methylquinoline-4-carboxamido)benzoic acid (CAS 495377-79-2)
- 1858250-07-3 1-[(2-Fluorobenzyl)sulfonyl]piperidine-4-carboxylic acid MFCD28954575 (CAS 1858250-07-3)
- Butyramidine DISCONTINUED, offer B810008 (CAS 107-90-4)
- VIP Receptor Binding Inhibitor (CAS 120550-85-8)
- 2-Cyclopropyl-1,2,3,4-tetrahydroisoquinolin-6-amine (CAS 1780166-33-7)
- Palbociclib Impurity 154 (CAS CATO-C4X-1125154)
- 2,3,3',4,4',5-Hexachlorobiphenyl-2＇,6,6＇-d3 (CAS 1219798-44-3)
- N-((1-Ethyl-3-methyl-1H-pyrazol-4-yl)methyl)-3-isopropoxypropan-1-amine hydrochloride (CAS 1856037-21-2)
- tert-Butyl 4-(((6-methylpyridazin-3-yl)oxy)methyl)piperidine-1-carboxylate (CAS 1261235-26-0)
- N-[(4-Pyridyl)methyl]cyclopropanamine (CAS 193153-60-5)
- D-Phe22-Tirzepatide (CAS CATO-CPTD788912)
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