Fmoc-Me-Leu-Me-Leu-OH CAS CATO-CPTD788793
| CAS No. | CATO-CPTD788793 |
| Molecular Formula | C29H38N2O5 |
| Molecular Weight | 494.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C29H38N2O5, Fmoc-Me-Leu-Me-Leu-OH contains a steroid 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 494.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Fmoc-Me-Leu-Me-Leu-OH (CAS CATO-CPTD788793), molecular formula C29H38N2O5 and molecular weight 494.62 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C29H38N2O5 |
| Molecular Weight | 494.62 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Fmoc Standards
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- Fmoc-Thr(tBu)-OSu (CAS 75530-95-9)
- Fmoc-Sec(pMeBzl)-OH (CAS 1365284-49-6)
- Fmoc-D-Sec(pMeBzl)-OH (CAS 2044710-33-8)
Recommended Standards
- Zeylasteral (CAS 87064-16-2)
- (12a,18a)-5,6,12,12a,13,18,18a,19-Octahydro-5,6-dimethyl-13,18[1',2']-benzenobisbenzimidazo [1,2-b:2',1'-d]benzo[i][2.5]benzodiazocine potassium trifl (CAS 958004-04-1)
- Pregnanolone 3-beta-D-Glucuronide (CAS 31329-54-1)
- (E)-4-((2-(4-((E)-1-(1H-Indazol-5-yl)-2-phenylbut-1-en-1-yl)phenoxy)ethyl)amino)-N,N-dimethylbut-2-enamide (CAS 2052128-15-9)
- (2E)-1-(3,4-Dichlorophenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 352287-70-8)
- 5-(Cyclopropylmethyl)-4-oxo-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxylic acid (CAS 1707735-49-6)
- 4-Methoxy-7,8,9,10-tetrahydro-6H-cyclohepta[b]quinolin-11-amine (CAS 5591-57-1)
- 7-Methoxychroman-2-one (CAS 20921-02-2)
- Tert-butyl 4-((2-aminophenyl)sulfonamido)piperidine-1-carboxylate (CAS 1233958-26-3)
- 2-Amino-2-(3-methylthiophen-2-yl)ethan-1-ol (CAS 1249231-07-9)
- 4-Chloro-2,6-dimethoxypyrimidine-5-carbaldehyde (CAS 134221-52-6)
- 7-Methyl-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine Dihydrochloride (CAS 2059938-31-5)
- 2-((Isopropylamino)methyl)pyrimidin-4-amine (CAS 1339435-65-2)
- Cycloaspeptide A (CAS 109171-13-3)
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