Cas no 15191-21-6 (N-Formyl-L-histidine)

N-Formyl-L-histidine is a bioactive compound with significant applications in peptide synthesis and enzyme research. It is a derivative of histidine, featuring a formyl group substitution that enhances its reactivity. This modification facilitates efficient coupling reactions and improves stability, making it an ideal building block for peptide synthesis. Its unique chemical properties make it valuable for investigating enzyme activity and protein interactions.
N-Formyl-L-histidine structure
N-Formyl-L-histidine structure
Product Name:N-Formyl-L-histidine
CAS No:15191-21-6
MF:C7H9N3O3
MW:183.164661169052
CID:160212
PubChem ID:87569924
Update Time:2025-07-23

N-Formyl-L-histidine Chemical and Physical Properties

Names and Identifiers

    • (S)-2-Formamido-3-(1H-imidazol-4-yl)propanoic acid
    • N-Formyl-L-histidine
    • L-Histidine, N-formyl-
    • Einecs 239-248-1
    • FOR-HIS-OH
    • Formylhistidine
    • N-formyl histidine
    • N-ALPHA-FORMYL-L-HISTIDINE
    • (2S)-2-(Formylamino)-3-(1H-imidazol-4-yl)propanoic acid
    • N-Formylhistidine #
    • (2S)-2-formamido-3-(1H-imidazol-5-yl)propanoic acid
    • NCIStruc2_000029
    • NCIStruc1_000292
    • WFQVSLVQIFFQQN-LURJTMIESA-N
    • NCI334340
    • NCGC00014776
    • AX8144399
    • F0133
    • (2S)-3-(1H
    • 15191-21-6
    • NS00051515
    • CHEMBL1741817
    • SCHEMBL61920
    • (2S)-2-(Formylamino)-3-(1H-imidazol-4-yl)propanoic acid, AldrichCPR
    • DTXSID901315407
    • (2S)-3-(1H-imidazol-4-yl)-2-formamidopropanoic acid
    • NSC-334340
    • AS-68426
    • CCG-38324
    • N-Formyl-L-histidine (For-L-His-OH)
    • CS-0201951
    • MFCD00059159
    • NCGC00014776-02
    • AKOS010366495
    • T71824
    • 2-formamido-3-(1H-imidazol-5-yl)propanoic acid
    • NCGC00097877-01
    • HY-W142169
    • DB-255752
    • MDL： MFCD00059159
    • Inchi： 1S/C7H9N3O3/c11-4-10-6(7(12)13)1-5-2-8-3-9-5/h2-4,6H,1H2,(H,8,9)(H,10,11)(H,12,13)/t6-/m0/s1
    • InChI Key： WFQVSLVQIFFQQN-LURJTMIESA-N
    • SMILES： OC([C@H](CC1=CN=CN1)NC=O)=O

Computed Properties

  • Exact Mass: 183.06400
  • Monoisotopic Mass: 183.06439116g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 4
  • Complexity: 197
  • 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: 4
  • XLogP3: -0.7
  • Topological Polar Surface Area: 95.1

Experimental Properties

  • Color/Form: White crystalline powder
  • Density: 1.4±0.1 g/cm3
  • Melting Point: 202.0 to 206.0 deg-C
  • Boiling Point: 644.5°C at 760 mmHg
  • Flash Point: 343.6±30.1 °C
  • Refractive Index: 58 ° (C=2, H2O)
  • Water Partition Coefficient: almost transparency
  • PSA: 95.08000
  • LogP: 0.17820
  • Solubility: Soluble in water
  • Vapor Pressure: 0.0±2.0 mmHg at 25°C

N-Formyl-L-histidine Security Information

N-Formyl-L-histidine Customs Data

  • HS CODE：2933290090
  • Customs Data：

    China Customs Code:

    2933290090

    Overview:

    2933290090. Other compounds with non fused imidazole ring in structure. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

N-Formyl-L-histidine Pricemore >>

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