

share
Phenylthiohydantoin-Norleucine CAS NO 4333-22-6
Unit Price:
CAS No.:4333-22-6
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Phenylthiohydantoin-Norleucine is a specialized amino acid derivative used in advanced biochemical research and synthesis. This compound is critical for applications requiring high-purity, structurally defined building blocks, such as peptide sequencing and the development of novel bioactive molecules. It serves the needs of research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in proteomics and custom peptide production.
Application
- Peptide Sequencing & Analysis: Used as a reference standard or derivatization agent in Edman degradation and related protein/peptide sequencing techniques.
- Pharmaceutical Research: Serves as a key intermediate or building block in the synthesis of novel peptide-based drug candidates and therapeutic agents.
- Proteomics & Biochemical Studies: Employed in the study of protein structure, function, and post-translational modifications.
- Custom Peptide Synthesis: Acts as a protected norleucine derivative for the solid-phase or solution-phase synthesis of specialized peptides.
- Analytical Standard: Utilized as a high-purity standard for method development and calibration in HPLC, LC-MS, and other chromatographic systems.
- Academic Research: A valuable tool in university and institutional labs for fundamental research in organic chemistry and biochemistry.
Basic Information
| Product Name | Phenylthiohydantoin-Norleucine |
| CAS No. | 4333-22-6 |
| Molecular Formula | C13H16N2O2S |
| Molecular Weight | 264.34 g/mol |
| Synonyms | PTH-Norleucine; 2-[(Phenylamino)thioxomethyl]amino]hexanoic Acid; Norleucine Phenylthiohydantoin; PTH-Nle; (RS)-2-[(Phenylcarbamothioyl)amino]hexanoic Acid; 5-(2-Aminobutyl)-2-thioxoimidazolidin-4-one (related structure); Edman Degradation Derivative of Norleucine |
| EINECS | Contact for details |
Quality Control
Our Phenylthiohydantoin-Norleucine is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity assessment and spectroscopic methods for structural confirmation, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 1.0% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 10 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


2-Methylpropanedioic Acid CAS NO 516-05-2


Monocrotaline CAS NO 315-22-0


2,2-Diphenyl-1-Picrylhydrazyl CAS NO 1898-66-4


Galvinoxyl CAS NO 2370-18-5


Nicotine Ditartrate Dihydrate CAS NO 6019-06-3


Anion Standard - Malate CAS NO 149-61-1


10-Azabenzo(A)Pyrene CAS NO 189-92-4


Vviaaknvdrrclk-Uhfffaoysa-M CAS NO 1052-32-0


Benzoic Acid-D5 CAS NO 1079-02-3


(5Beta)-14-Hydroxy-3-Oxocard-20(22)-Enolide CAS NO 1102-88-1


Dansyl-L-Phenylalanine CAS NO 1104-36-5


Carbon-13C Dioxide CAS NO 1111-72-4


5-(n-Methyl-n-Propyl)Amiloride CAS NO 1151-75-3


Resorufin Acetate CAS NO 1152-14-3


Dibenz(A,J)Acridinen-Oxide CAS NO 1163-05-9


3-Methoxy-10,13-Dimethyl-17-(6-Methylheptan-2-Yl)-2,3,4,7,8,9,11,12,14,15,16,17-Dodecahydro-1H-Cyclopenta[A]Phenanthrene CAS NO 1174-92-1


10-[3-(Dimethylammonio)-2-Methylpropyl]-10H-Phenothiazinium [R-(R*,R*)]-Tartrate CAS NO 1175-88-8


Tetranitroblue Tetrazolium Chloride CAS NO 1184-43-6


Desmethyldoxepin CAS NO 1225-56-5


Mordant Black 13 CAS NO 1324-21-6
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






