Fmoc-3-(4-Quinolyl)-D-Ala-OH CAS 1997440-75-1
| CAS No. | 1997440-75-1 |
| Molecular Formula | C27H22N2O4 |
| Molecular Weight | 438.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Fmoc-3-(4-Quinolyl)-D-Ala-OH (CAS 1997440-75-1) is a high-purity analytical reference standard with the molecular formula C27H22N2O4 and a molecular weight of 438.47 g/mol.
Structurally, Fmoc-3-(4-Quinolyl)-D-Ala-OH (C27H22N2O4) contains a steroid core, an amide 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 438.47 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 | C27H22N2O4 |
| Molecular Weight | 438.47 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related Fmoc Standards
- Fmoc-1,2,3,4-tetrahydronorharman-3-carboxylic acid (CAS 1122062-52-5)
- Fmoc-N-Aminopropyl-Gly(Alloc)-OH (CAS 174800-19-2)
- Fmoc-3-(2-quinolyl)-DL-Ala-OH (CAS 401514-70-3)
- Fmoc-3-(4-Quinolyl)-L-Ala-OH (CAS 1998513-62-4)
- Fmoc-3-(6-Quinolyl)-L-Ala-OH (CAS 1998643-85-8)
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Recommended Standards
- Cyclooctyne-O-amido-PEG2-NHS ester (CAS 2101206-22-6)
- Cyclohexylmethyl 4-O-α-D-glucopyranosyl-β-D-glucopyranoside (CAS 260804-64-6)
- Furowanin A (CAS 911004-72-3)
- Broussonol E (CAS 363134-28-5)
- 4-Amino-5-iodo-2-methoxybenzoic acid (CAS 155928-39-5)
- 1-(2-(Pyridin-2-ylmethyl)phenyl)ethan-1-one (CAS 934302-81-5)
- 2-((2-Bromo-4-formylphenoxy)methyl)benzonitrile (CAS 864713-95-1)
- 4-(Allyloxy)-4-oxobutanoic acid (CAS 3882-09-5)
- 1-(1-Hexyl)-piperazine (CAS 51619-55-7)
- 5,6-Dichloro-2-(difluoromethyl)-4H-imidazo[4,5-b]pyrazine (CAS 53338-43-5)
- 3-(5-Thioxo-4,5-dihydro-1,3,4-oxadiazol-2-yl)-1-(3-(trifluoromethyl)benzyl)pyridin-2(1H)-one (CAS 242471-95-0)
- 2-Hydroxy-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carbaldehyde (CAS 1261930-61-3)
- 2H-1,4-Benzoxazine-7-sulfonyl chloride, 3,4-dihydro-3-oxo- (CAS 868962-24-7)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
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