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CAS

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233281-32-8

N-(9-fluorenylmethyloxycarbonyl)alanine 3,4,5-tris(octadecyloxy)benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 233281-32-8 Structure

  • Basic information

    1. Product Name: N-(9-fluorenylmethyloxycarbonyl)alanine 3,4,5-tris(octadecyloxy)benzyl ester
    2. Synonyms: N-(9-fluorenylmethyloxycarbonyl)alanine 3,4,5-tris(octadecyloxy)benzyl ester
    3. CAS NO:233281-32-8
    4. Molecular Formula:
    5. Molecular Weight: 1206.91
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 233281-32-8.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: N-(9-fluorenylmethyloxycarbonyl)alanine 3,4,5-tris(octadecyloxy)benzyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: N-(9-fluorenylmethyloxycarbonyl)alanine 3,4,5-tris(octadecyloxy)benzyl ester(233281-32-8)
    11. EPA Substance Registry System: N-(9-fluorenylmethyloxycarbonyl)alanine 3,4,5-tris(octadecyloxy)benzyl ester(233281-32-8)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 233281-32-8(Hazardous Substances Data)

233281-32-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 233281-32-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,2,8 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 233281-32:
(8*2)+(7*3)+(6*3)+(5*2)+(4*8)+(3*1)+(2*3)+(1*2)=108
108 % 10 = 8
So 233281-32-8 is a valid CAS Registry Number.

233281-32-8Relevant articles and documents

A novel protecting group for constructing combinatorial peptide libraries

Tamiaki, Hitoshi,Obata, Tomoyuki,Azefu, Yasuo,Toma, Kazunori

, p. 733 - 738 (2001)

3,4,5-Tris(octadecyloxy)benzyl alcohol, HO-Bzl(OC18)3, was prepared from gallic acid and stearyl bromide. Using conventional step-wise elongation, N,C-protected peptides, Fmoc - AAn - ... - AA1 - OBzl(OC18)3, were synthesized. The substituted benzyl esters were selectively cleaved by a treatment with 4 M hydrogen chloride in ethyl acetate to give Fmoc - AAn - ... - AA1 - OH and HO - Bzl(OC18)3. Thus, the substituted benzyl group is effective for the protection of C-terminal carboxyl groups in liquid-phase peptide synthesis. Because the substituted benzyl group has a moderately high molecular weight, Fmoc - AAn - ... - AA1 - OBzl(OC18)3 can be easily purified by size-exclusion chromatography; all protected peptides are eluted in the void fraction of a Sephadex LH-20 gel-filtration column. The combination of the carboxyl-protecting group Bzl(OC18)3 with simple purification by the gel-filtration gives a novel route for constructing combinatorial peptide libraries in the solution phase.

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