Sec-Butyl N-(Trifluoroacetyl)Norleucinate CAS 57983-76-3
| CAS No. | 57983-76-3 |
| Molecular Formula | C12H20F3NO3 |
| Molecular Weight | 283.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Sec-Butyl N-(Trifluoroacetyl)Norleucinate is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Sec-Butyl N-(Trifluoroacetyl)Norleucinate (CAS 57983-76-3), molecular formula C12H20F3NO3 and molecular weight 283.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Sec-Butyl N-(Trifluoroacetyl)Norleucinate (C12H20F3NO3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 283.29 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Sec-Butyl N-(Trifluoroacetyl)Norleucinate 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 | C12H20F3NO3 |
| Molecular Weight | 283.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- Sec-Butyl 6-[(Trifluoroacetyl)Amino]Hexanoate (CAS 57983-24-1)
- tert-Butyl (R)-4-(2,2,2-trifluoro-1-hydroxyethyl)piperidine-1-carboxylate (CAS 2227681-07-2)
- N2-Acetamido-6-benzyloxypurine (CAS 92193-74-3)
- Tert-butyl4-[(1s)-2,2,2-trifluoro-1-hydroxy-ethyl]piperidine-1-carboxylate (CAS 2227693-01-6)
- 3-Amino-N-cyclopropyl-6-(3,4-dimethoxyphenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 488706-81-6)
- Okanin (CAS 484-76-4)
- Ethyl 3-(phenylthio)-1H-indole-2-carboxylate (CAS 106184-17-2)
- H-α-Me-DL-Phe-OMe · HCl (CAS 64665-60-7)
- 3-tert-butyl-1-(pyridin-3-ylmethyl)-1H-pyrazol-5-amine (CAS 1461715-04-7)
- tert-Butyl 2-(2-bromopyridin-4-yl)acetate (CAS 1104643-32-4)
- 1-Acetyl-2-phenyldiazene (CAS 13443-97-5)
- 4-(4-Benzylpiperazin-1-yl)-6-chloro-2-methylpyrimidine (CAS 1017782-74-9)
- 5-Amino-1-(4-trifluoromethylphenyl)-1H-pyrazole-4-carbonitrile (CAS 80025-67-8)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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