(R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(tert-butoxy)-6-oxohexanoic acid CAS 1421258-67-4
| CAS No. | 1421258-67-4 |
| Molecular Formula | C25H29NO6 |
| Molecular Weight | 439.50 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.
(R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(tert-butoxy)-6-oxohexanoic acid (CAS 1421258-67-4), molecular formula C25H29NO6 and molecular weight 439.50 g/mol, is a CATO reference standard with documented purity and traceability.
(R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(tert-butoxy)-6-oxohexanoic acid (C25H29NO6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(tert-butoxy)-6-oxohexanoic acid 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 | C25H29NO6 |
| Molecular Weight | 439.50 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-3,3-dimethyl-4-oxobutanoic acid (CAS 1392219-11-2)
- Fmoc-N-Me-D-Glu(OtBu)-OH (CAS 1562442-35-6)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-3,3-dimethyl-4-oxobutanoic acid (CAS 1187933-08-9)
- (S)-5-tert-Butyl 1-methyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)pentanedioate (CAS 160002-61-9)
- 6-(3-Methylpiperidin-1-yl)pyrimidine-4(1H)-thione (CAS 1239770-63-8)
- N-(2-Benzenesulfonamidoethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 338404-57-2)
- 2-Bromo-3-pentanone (CAS 815-52-1)
- N-(3-(1H-imidazol-1-yl)propyl)-6-bromobenzo[d]thiazol-2-amine (CAS 1206992-97-3)
- tert-Butyl 4-((2,4-dichloropyrimidin-5-yl)methyl)piperazine-1-carboxylate (CAS 1420972-79-7)
- 4-Amino-1-methylcyclohexane-1-carbonitrile hydrochloride (CAS 2231675-74-2)
- N,2-dimethyl-1H-benzo[d]imidazole-6-carboxamide (CAS 93690-15-4)
- 3-bromo-5-chloro-4-(chloromethyl)pyridine (CAS 1064678-67-6)
- 2-Cyclohexyl-3,4-dihydroisoquinolin-1(2H)-one (CAS 6772-63-0)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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