(((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanyl-D-alanine CAS 538334-18-8
| CAS No. | 538334-18-8 |
| Molecular Formula | C21H22N2O5 |
| Molecular Weight | 382.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 382.41 g/mol gives (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanyl-D-alanine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanyl-D-alanine (CAS 538334-18-8), a certified reference material (molecular formula C21H22N2O5, MW 382.41 g/mol) for analytical method development and quality control.
Structurally, (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanyl-D-alanine (C21H22N2O5) contains a flavonoid core, an amide 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 382.41 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.
CATO manufactures (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanyl-D-alanine 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 | C21H22N2O5 |
| Molecular Weight | 382.41 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 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.) | 1984 |
| Nitrogen Atoms | 2 |
Related H Standards
- (((9h-Fluoren-9-yl)methoxy)carbonyl)-d-alanyl-d-alanine (CAS 2171261-19-9)
- (9H-Fluoren-9-yl)methyl tert-butyl ethane-1,2-diyldicarbamate (CAS 166410-28-2)
- 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid (CAS 1425942-11-5)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-ethylhexanoic acid (CAS 1067538-11-7)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5,5-dimethylhexanoic acid (CAS 1379863-59-8)
- 6-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylhexanoic acid (CAS 1493713-31-7)
- 3-(((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-5-methylhexanoic acid (CAS 1548292-76-7)
- 9H-Fluoren-9-ylmethyl N-[(2S,3R)-3-(tert-butoxy)-1-oxobutan-2-yl]carbamate (CAS 160948-81-2)
Recommended Standards
- ((2R,3S,5R)-3-(Butyryloxy)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl butyrate (CAS 3415-71-2)
- 4-(5-Ethyl-1,2,4-oxadiazol-3-yl)-2-[(3-methoxyphenyl)methyl]-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775468-57-9)
- (E)-4-((4-(N-(5-ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 314282-44-5)
- 2-[(4-Methoxyphenyl)methyl]-4-(5-methyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione (CAS 1775439-13-8)
- (3-(Thiophen-2-yl)isoxazol-5-yl)methanol (CAS 184868-43-7)
- 5-Amino-N-(4-methoxyphenyl)-2-(piperidin-1-yl)benzene-1-sulfonamide (CAS 326034-12-2)
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- 7-Hydroxy-3-(2-methoxyphenyl)-2-methyl-8-(pyrrolidin-1-ylmethyl)-4H-chromen-4-one (CAS 637753-62-9)
- 3-Chloro-6-(4-fluorophenyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1116743-29-3)
- 2-(6,7-Dimethyl-1H-indol-3-yl)acetic acid (CAS 88611-92-1)
- 4-(3-Fluoro-4-methoxyphenyl)-2,2-dimethyl-4-oxobutanoic acid (CAS 951888-91-8)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
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