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CAS

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31556-73-7

Z-L-Tle-OtBu, also known as (Z)-2-(4-tert-butylphenyl)-N-(tert-butoxycarbonyl)amino-3-phenylpropenoic acid, is a complex organic compound that serves as a valuable intermediate in the synthesis of various pharmaceuticals and agrochemicals. It is characterized by its Z-configuration, indicating the presence of a double bond with a specific geometric arrangement of substituents. The compound features a tert-butyl group (OtBu), which provides steric hindrance and stability, and a tert-butoxycarbonyl (Boc) protecting group, commonly used in peptide synthesis to protect amino groups. Z-L-Tle-OtBu is a key building block in the preparation of biologically active molecules, owing to its unique structural properties and reactivity.

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  • L-Valine, 3-methyl-N-[(phenylmethoxy)carbonyl]-, 1,1-dimethylethyl ester

    Cas No: 31556-73-7

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  • 31556-73-7 Structure

  • Basic information

    1. Product Name: Z-L-Tle-OtBu
    2. Synonyms:
    3. CAS NO:31556-73-7
    4. Molecular Formula:
    5. Molecular Weight: 321.417
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 31556-73-7.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: Z-L-Tle-OtBu(CAS DataBase Reference)
    10. NIST Chemistry Reference: Z-L-Tle-OtBu(31556-73-7)
    11. EPA Substance Registry System: Z-L-Tle-OtBu(31556-73-7)

  • 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: 31556-73-7(Hazardous Substances Data)

31556-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31556-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,5 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31556-73:
(7*3)+(6*1)+(5*5)+(4*5)+(3*6)+(2*7)+(1*3)=107
107 % 10 = 7
So 31556-73-7 is a valid CAS Registry Number.
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