Cas no 16937-92-1 (Boc-D-Orn(Z)-OH)

Boc-D-Orn(Z)-OH is a protected derivative of D-ornithine, featuring two orthogonal protecting groups: the tert-butoxycarbonyl (Boc) group at the α-amino position and the benzyloxycarbonyl (Z) group at the side-chain amine. This configuration ensures selective deprotection during peptide synthesis, enabling precise control over reaction sequences. The compound is particularly valuable in solid-phase and solution-phase peptide synthesis, where its stability and compatibility with standard coupling reagents enhance efficiency. Its chiral purity and well-defined protection strategy make it a reliable building block for constructing complex peptides and modified amino acid derivatives. Suitable for research applications requiring controlled incorporation of D-ornithine residues.
Boc-D-Orn(Z)-OH structure
Boc-D-Orn(Z)-OH structure
Product Name:Boc-D-Orn(Z)-OH
CAS No:16937-92-1
MF:C18H26N2O6
MW:366.408845424652
MDL:MFCD00069970
CID:50601
PubChem ID:57647340
Update Time:2025-06-11

Boc-D-Orn(Z)-OH Chemical and Physical Properties

Names and Identifiers

    • (R)-5-(((Benzyloxy)carbonyl)amino)-2-((tert-butoxycarbonyl)amino)pentanoic acid
    • Boc-D-Orn(Z)-OH
    • Boc-D-Ornithine(Cbz)
    • (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-5-(phenylmethoxycarbonylamino)pentanoic acid
    • Nα-Boc-Nδ-Z-D-ornithine
    • A-Boc-N
    • A-Z-D-ornithine
    • Boc-(R)-Orn(Z)-OH
    • Boc-D-Orn(Cbz)-OH
    • Boc-D-Orn(Z)
    • Boc-Orn(Z)-OH
    • Cbz-D-Orn(Z)-OH
    • Nalpha-Boc-Ndelta-Z-D-ornithine
    • N-Boc-N'-Cbz-D-Ornithine
    • Ndelta-Z-Nalpha-Boc-D-ornithine
    • BOC-D-ORNITHINE(Z)-OH
    • BOC-N-DELTA-Z-D-ORNITHINE
    • Boc-N-delta-Cbz-D-ornithine
    • N-DELTA-Z-N-ALPHA-BOC-D-ORNITHINE
    • N-ALPHA-BOC-N-DELTA-Z-D-ORNITHINE
    • MFCD00069970
    • AC-8630
    • J-010533
    • 16937-92-1
    • (R)-5-(((Benzyloxy)carbonyl)amino)-2-(BOC-amino)pentanoic acid
    • D-Boc-Orn(Cbz)-OH
    • SCHEMBL2369249
    • DTXSID10428493
    • (R)-5-(benzyloxycarbonylamino)-2-(tert-butoxycarbonylamino)pentanoic acid
    • QYYCZJUFHDLLOJ-CQSZACIVSA-N
    • Boc-D-Orn(Z)-OH, >=98.0% (TLC)
    • AKOS016843113
    • AS-17640
    • Nalpha -Boc-Ndelta -Cbz-(R)-ornithine
    • (2R)-5-{[(BENZYLOXY)CARBONYL]AMINO}-2-[(TERT-BUTOXYCARBONYL)AMINO]PENTANOIC ACID
    • MDL: MFCD00069970
    • Inchi: 1S/C18H26N2O6/c1-18(2,3)26-17(24)20-14(15(21)22)10-7-11-19-16(23)25-12-13-8-5-4-6-9-13/h4-6,8-9,14H,7,10-12H2,1-3H3,(H,19,23)(H,20,24)(H,21,22)/t14-/m1/s1
    • InChI Key: QYYCZJUFHDLLOJ-CQSZACIVSA-N
    • SMILES: O(C(N[C@@H](C(=O)O)CCCNC(=O)OCC1C=CC=CC=1)=O)C(C)(C)C
    • BRN: 2400891

Computed Properties

  • Exact Mass: 366.17900
  • Monoisotopic Mass: 366.17908655g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 8
  • Heavy Atom Count: 26
  • Rotatable Bond Count: 13
  • Complexity: 469
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 1
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 4
  • XLogP3: 2.5
  • Topological Polar Surface Area: 114?2

Experimental Properties

  • Density: 1.2±0.1 g/cm3
  • Melting Point: 93-98°C
  • Boiling Point: 579.1±50.0 °C at 760 mmHg
  • Flash Point: 304.0±30.1 °C
  • Refractive Index: 1.526
  • PSA: 113.96000
  • LogP: 3.45270
  • Specific Rotation: -15° (c=2 in MeOH)
  • Vapor Pressure: 0.0±1.7 mmHg at 25°C

Boc-D-Orn(Z)-OH Security Information

Boc-D-Orn(Z)-OH Pricemore >>

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Boc-D-Orn(Z)-OH Related Literature

  • 1. Stereochemical and mechanistic studies on the formation of the 3-oxoindolizidine skeleton from ornithine derivatives
    M José Domínguez,M Teresa García-López,Rosario Herranz,Mercedes Martín-Martínez,Rosario González-Mu?iz J. Chem. Soc. Perkin Trans. 1 1995 2839

Additional information on Boc-D-Orn(Z)-OH

Comprehensive Guide to Boc-D-Orn(Z)-OH (CAS No. 16937-92-1): Properties, Applications, and Industry Insights

Boc-D-Orn(Z)-OH (CAS No. 16937-92-1) is a specialized N-protected amino acid derivative widely used in peptide synthesis and pharmaceutical research. This compound features a Boc (tert-butoxycarbonyl) group and a Z (benzyloxycarbonyl) moiety, offering dual protection for the D-ornithine backbone. Its unique structure makes it invaluable for constructing complex peptides with high stereochemical purity, particularly in drug discovery and bioconjugation applications.

In recent years, the demand for Boc-D-Orn(Z)-OH has surged due to its role in developing peptide-based therapeutics, a rapidly growing segment in the pharmaceutical industry. Researchers frequently search for "Boc-D-Orn(Z)-OH solubility," "Boc-D-Orn(Z)-OH synthesis protocol," or "CAS 16937-92-1 suppliers," reflecting its practical importance. The compound’s stability under acidic conditions (thanks to the Boc group) and selective deprotection capabilities (via the Z group) align with modern trends favoring modular peptide assembly.

From a technical perspective, Boc-D-Orn(Z)-OH exhibits a molecular weight of 352.38 g/mol and typically appears as a white crystalline powder. Its compatibility with solid-phase peptide synthesis (SPPS) and Fmoc/tBu strategies makes it a staple in laboratories focusing on GPCR-targeting peptides or antimicrobial peptide design. Notably, its D-configuration enhances resistance to enzymatic degradation, a critical feature for peptide drug stability—a hot topic in biopharmaceutical forums.

Quality control of CAS 16937-92-1 often involves HPLC (>98% purity) and chiral analysis to ensure enantiomeric purity. Storage recommendations (typically at 2–8°C under inert gas) are frequently searched, as improper handling may affect the Boc group’s integrity. The compound’s applications extend to linker chemistry in antibody-drug conjugates (ADCs), where its Z-protected side chain enables controlled payload release—a trending area in oncology research.

Environmental and regulatory aspects of Boc-D-Orn(Z)-OH also draw attention. While not classified as hazardous, proper waste disposal protocols are emphasized in alignment with green chemistry principles. Suppliers increasingly highlight REACH compliance and GMP-grade availability to meet pharmaceutical industry standards. This focus on sustainability resonates with current searches like "eco-friendly peptide reagents" or "Boc-D-Orn(Z)-OH lifecycle assessment."

Innovative uses of 16937-92-1 continue to emerge, such as in peptide hydrogel design for tissue engineering or as a building block for peptidomimetics. Its orthogonal protection scheme allows sequential deprotection—a feature exploited in multicomponent peptide ligation strategies. These applications position Boc-D-Orn(Z)-OH as a key player in advancing precision medicine and biomaterials science.

For researchers troubleshooting synthesis, common queries include "Boc-D-Orn(Z)-OH coupling efficiency" and "racemization risk during Z-deprotection." Best practices recommend using HOBt/DIC activation and monitoring by LC-MS. The compound’s MSDS data (highlighting non-toxicity but recommending standard lab precautions) is another frequently accessed resource, underscoring its safe yet specialized handling profile.

Market analysts note steady growth in the Boc-D-Orn(Z)-OH segment, driven by expanding peptide API manufacturing and academic research funding. Custom modifications (e.g., isotope-labeled versions for proteomics studies) are gaining traction. As peptide therapeutics address unmet needs in diabetes, obesity, and rare diseases, CAS 16937-92-1 remains a critical enabler of innovation at the chemistry-biology interface.

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