Fmoc-beta-HoThr(tBu)-OH CAS 353245-99-5
| CAS No. | 353245-99-5 |
| Molecular Formula | C24H29NO5 |
| Molecular Weight | 411.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Fmoc-beta-HoThr(tBu)-OH (CAS 353245-99-5) is a high-purity analytical reference standard with the molecular formula C24H29NO5 and a molecular weight of 411.49 g/mol.
Based on its molecular formula C24H29NO5, Fmoc-beta-HoThr(tBu)-OH 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 411.49 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).
As a certified reference material (CRM), Fmoc-beta-HoThr(tBu)-OH meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C24H29NO5 |
| Molecular Weight | 411.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Fmoc Standards
- N-Fmoc-5-((2-methyl-2-propanyl)oxy)-D-norvaline (CAS 2349431-74-7)
- N-Fmoc-5-((2-methyl-2-propanyl)oxy)-L-norvaline (CAS 2349713-29-5)
- N-Fmoc-N-methyl-O-(3-methylbutyl)-L-Serine (CAS 2255321-12-9)
- Fmoc-N-Me-Thr(tBu)-OH (CAS 117106-20-4)
- Fmoc-DL-Asu-OH (CAS 1208999-99-8)
- N-Fmoc-4-ethynyl-L-phenylalanine (CAS 1228049-41-9)
- Fmoc-n-(tert-butyloxycarbonylmethyl)-glycine (CAS 141743-16-0)
- FMoc-Cit-OMe (CAS 1820581-58-5)
Recommended Standards
- Ethyl 3-((1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932303-67-8)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-N-methyl-D-allothreonine (CAS 2360825-89-2)
- Bicyclo[3.1.0]hexane-2,6-dicarboxylic acid, 2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxo-, 2,6-bis(1,1-dimethylethyl) ester, (1S,2S,5R,6R)- (CAS 635318-04-6)
- N-(4-(Dibenzo[b,d]furan-4-yl)phenyl)-[1,1'-biphenyl]-4-amine (CAS 955959-89-4)
- 1-Bromo-3-chloro-5-(difluoromethyl)-2-methoxybenzene (CAS 2091157-62-7)
- (2-(1H-pyrazol-1-yl)pyridin-4-yl)boronic acid (CAS 1644060-50-3)
- 2-(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)-1,3-thiazolidine-4-carboxylic acid (CAS 1218686-35-1)
- 3-(3-Formyl-1H-pyrrol-1-yl)propanenitrile (CAS 731002-12-3)
- 2-(Tritylamino)-4-thiazolylacetic Acid (CAS 64220-26-4)
- (7-chloroquinolin-2-yl)methanol (CAS 165111-36-4)
- Tris(4-chlorophenyl)methane (CAS 27575-78-6)
- Rimegepant Impurity 113 (CAS 1452167-10-0)
- 5-(Difluoromethyl)-4-nitro-3-(trifluoromethyl)picolinonitrile (CAS 1805187-69-2)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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