Cas no 20887-95-0 (Boc-L-cysteine)

Boc-L-cysteine structure
Boc-L-cysteine structure
Product Name:Boc-L-cysteine
CAS No:20887-95-0
MF:C8H15NO4S
MW:221.27400135994
MDL:MFCD00065565
CID:51685
PubChem ID:152319
Update Time:2025-04-18

Boc-L-cysteine Chemical and Physical Properties

Names and Identifiers

    • Boc-L-cysteine
    • N-(tert-Butoxycarbonyl)-L-cysteine
    • Boc-Cys-OH
    • N-a-BOC-L-Cys
    • (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoic acid
    • Boc-L-Cys-OH
    • N-(tert-Butyloxycarbonyl)-L-cysteine
    • N-Boc-Cys-OMe
    • N-Boc-L-Cys-OH
    • N-Boc-L-cystein
    • N-Boc-L-Cysteine
    • N-tert-butoxycarbonyl-L-cysteine
    • N-tert-Butyloxycarbonylcysteine
    • (S)-2-tert-Butoxycarbonylamino-3-mercapto-propionic acid
    • N-ALPHA-T-BUTYLOXYCARBONYL-L-CYSTEINE
    • L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-
    • Boc-Cys-Cysteine
    • AKOS015895914
    • L-Cysteine, N-((1,1-dimethylethoxy)carbonyl)-
    • Boc-Cys-OH, for chiral derivatization, >=98.5%
    • n-t-butyloxycarbonyl-l-cysteine
    • (R)-2-TERT-BUTOXYCARBONYLAMINO-3-MERCAPTO-PROPIONIC ACID
    • (R)-2-((TERT-BUTOXYCARBONYL)AMINO)-3-MERCAPTOPROPANOIC ACID
    • (R)-2-(tert-butoxycarbonylamino)-3-mercaptopropanoic acid
    • ATVFTGTXIUDKIZ-YFKPBYRVSA-N
    • SCHEMBL314569
    • AKOS015841311
    • FD21262
    • (R)-2-((TERT-BUTOXYCARBONYL)AMINO)-3-MERCAPTOPROPANOICACID
    • CS-W014733
    • 20887-95-0
    • BCP06688
    • EN300-317069
    • DTXSID30175033
    • N-t-butoxycarbonyl-L-cysteine
    • AS-49016
    • MFCD00065565
    • J-013702
    • (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-sulfanylpropanoic acid
    • A815004
    • DB-200472
    • DTXCID6097524
    • (tert-butoxycarbonyl)-cysteine-OH
    • (2R)-2-[(TERT-BUTOXYCARBONYL)AMINO]-3-SULFANYLPROPANOIC ACID
    • MDL: MFCD00065565
    • Inchi: 1S/C8H15NO4S/c1-8(2,3)13-7(12)9-5(4-14)6(10)11/h5,14H,4H2,1-3H3,(H,9,12)(H,10,11)/t5-/m0/s1
    • InChI Key: ATVFTGTXIUDKIZ-YFKPBYRVSA-N
    • SMILES: SC[C@@H](C(=O)O)NC(=O)OC(C)(C)C

Computed Properties

  • Exact Mass: 221.07200
  • Monoisotopic Mass: 221.072
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 14
  • Rotatable Bond Count: 6
  • Complexity: 224
  • 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: 2
  • XLogP3: 0.8
  • Topological Polar Surface Area: 76.6A^2

Experimental Properties

  • Color/Form: Not determined
  • Density: 1.215
  • Melting Point: 67-70°C
  • Boiling Point: 361.4±37.0 °C at 760 mmHg
  • Flash Point: 172.3±26.5 °C
  • Refractive Index: 1.503
  • PSA: 114.43000
  • LogP: 1.28500
  • Solubility: Not determined
  • Optical Activity: [α]20/D +8.0±1.5°, c =?1% in ethanol

Boc-L-cysteine Customs Data

  • HS CODE:2930909090
  • Customs Data:

    China Customs Code:

    2930909090

    Overview:

    2930909090. Other organic sulfur compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Boc-L-cysteine Pricemore >>

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$ 82.00 2023-09-08
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Boc-L-cysteine Production Method

Boc-L-cysteine Related Literature

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