Cas no 17942-32-4 (L-Phenylalanine-d)

L-Phenylalanine-d is a deuterated form of the essential amino acid L-phenylalanine, where one or more hydrogen atoms are replaced by deuterium. This isotopic labeling enhances the compound's utility in metabolic studies, NMR spectroscopy, and pharmacokinetic research due to its improved stability and traceability. The incorporation of deuterium reduces metabolic degradation rates, allowing for more precise tracking in biological systems. L-Phenylalanine-d is particularly valuable in drug development and proteomics, where it serves as a stable internal standard or tracer. Its high isotopic purity and consistent performance make it a reliable tool for advanced research applications requiring labeled amino acids.
L-Phenylalanine-d structure
L-Phenylalanine-d structure
Product Name:L-Phenylalanine-d
CAS No:17942-32-4
MF:C9H11NO2
MW:173.238435983658
CID:122669
PubChem ID:13000987
Update Time:2025-06-14

L-Phenylalanine-d Chemical and Physical Properties

Names and Identifiers

    • L-Phenylalanine-a,b,b,2,3,4,5,6-d8
    • [2,2-dimethyl-6-(4-chlorophenyl)-7-phenyl-2,3-dihydro-1H-pyrrazoline-5-yl]acetic acid
    • [2,2-Dimethyl-6-(4-chlorophenyl)-7-phenyl-2,3-dihydro-1H-pyrrolizin-5-yl]acetic acid
    • [2,3,3,2',3',4',5',6'-2H8]-L-phenylalanine
    • 2-(6-(4-chlorophenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1
    • 6-(4-Chlorophenyl)-2,3-dihydro-2,2-dimethyl-7-phenyl- 1H-pyrrolizine-5-acetic Acid
    • L-[2,3,4,2',3',4',5',6']-octadeuteriophenylalanine
    • Licofelone, ML-3000
    • ML 3000
    • L-PHENYLALANINE (D8)
    • L-Phenyl-d5-alanine-d3
    • L-PHENYL-D5-ALANINE-2,3,3-D3
    • l-phenylalanine-phenyl-d5-2,3,3-d3
    • L-phenylalanine-alpha,beta,beta,2,3,4,5
    • L-PHENYLALANINE-ALPHA BETA BETA,2,3,4,5 6-D8
    • L-PHENYLALANINE-ALPHA,BETA,BETA,2,3,4,5, 6-D8, 98 ATOM % D
    • L-Phenylalanine-d
    • CS-0203357
    • MS-22931
    • (2S)-2-amino-2,3,3-trideuterio-3-(2,3,4,5,6-pentadeuteriophenyl)propanoic acid
    • HY-N0215S1
    • L-Phenylalanine-d8
    • D98939
    • (2S)-2-amino-3-[(2,3,4,5,6-?H?)phenyl](?H?)propanoic acid
    • 17942-32-4
    • L-Phenyl-d5-alanine-2,3,3-d3, 98 atom % D, 99% (CP)
    • L-Phenyl-2,3,4,5,6-d5-alanine-a,ss,ss-d3; L-Phenylalanine-d8
    • Inchi: 1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1/i1D,2D,3D,4D,5D,6D2,8D
    • InChI Key: COLNVLDHVKWLRT-WYMAAGAPSA-N
    • SMILES: OC([C@]([2H])(C([2H])([2H])C1C([2H])=C([2H])C([2H])=C([2H])C=1[2H])N)=O

Computed Properties

  • Exact Mass: 173.129192561g/mol
  • Monoisotopic Mass: 173.129192561g/mol
  • Isotope Atom Count: 8
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 3
  • Complexity: 153
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 1
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing
  • Topological Polar Surface Area: 63.3?2

Experimental Properties

  • Color/Form: Not determined
  • Melting Point: 270-275?°C (dec.)(lit.)
  • Solubility: Not determined

L-Phenylalanine-d Security Information

  • WGK Germany:3

L-Phenylalanine-d Pricemore >>

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Additional information on L-Phenylalanine-d

Comprehensive Overview of L-Phenylalanine-d (CAS No. 17942-32-4): Applications, Research Insights, and Market Trends

L-Phenylalanine-d, a deuterium-labeled variant of the essential amino acid L-phenylalanine, has garnered significant attention in pharmaceutical research, metabolic studies, and nutraceutical development. With the CAS registry number 17942-32-4, this stable isotope-labeled compound is pivotal in advancing deuterated drug design and tracer-based pharmacokinetics. Its unique molecular structure, where hydrogen atoms are replaced by deuterium, enhances metabolic stability while retaining biological activity—a feature increasingly exploited in modern therapeutics.

The growing demand for isotope-labeled amino acids like L-Phenylalanine-d correlates with breakthroughs in precision medicine and drug metabolism analysis. Recent studies highlight its utility in mass spectrometry imaging (MSI) for tracking amino acid uptake in tumors, addressing the rising global focus on cancer research biomarkers. Furthermore, its application in neurotransmitter synthesis studies aligns with the surge in neurological disorder research, particularly in Parkinson's and depression-related pathways.

From an industrial perspective, 17942-32-4 is synthesized under stringent GMP-grade conditions to ensure isotopic purity (>98%), meeting the needs of clinical trial support materials. Analytical techniques such as NMR spectroscopy and HPLC-MS are routinely employed for quality verification, reflecting the compound's role in high-accuracy bioassays. Notably, the compound’s stability under physiological pH ranges makes it ideal for in vivo tracer studies, a trending topic in personalized nutrition and sports science.

Market analysts project increased adoption of L-Phenylalanine-d in proteomics research, driven by the expansion of biopharmaceutical pipelines. Its compatibility with automated peptide synthesizers also positions it as a key reagent in peptide-based drug discovery—a sector experiencing 12% annual growth. Environmental considerations are addressed through green chemistry synthesis methods, reducing solvent waste during production—an aspect highly prioritized in ESG-compliant manufacturing.

Emerging applications include its use in stable isotope probing (SIP) to study gut microbiome metabolism, a hot topic in probiotics research. The compound’s ability to withstand enzymatic degradation longer than non-deuterated analogs provides clearer data in longitudinal metabolic studies. These attributes make CAS 17942-32-4 indispensable for researchers investigating amino acid transport mechanisms or developing deuterium-enriched therapeutic proteins.

Regulatory agencies classify L-Phenylalanine-d as non-hazardous for research use, with safety profiles documented in REACH compliance dossiers. Storage recommendations emphasize protection from moisture at -20°C to maintain isotopic integrity—a critical consideration for long-term stability studies. As the scientific community increasingly adopts heavy isotope labeling techniques, the demand for this compound is expected to rise in tandem with advancements in quantitative metabolomics platforms.

In conclusion, 17942-32-4 represents a convergence point between traditional biochemistry and cutting-edge isotope-aided diagnostics. Its versatility across translational medicine, nutritional science, and industrial biotechnology ensures its continued relevance. Future developments may explore its potential in magnetic resonance imaging (MRI) contrast agents or as a scaffold for next-generation protein therapeutics, solidifying its status as a cornerstone in modern bioresearch.

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