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81657-27-4

The chemical sequence "Z-Ala-Gly-Thr-Ala-Asp(OBzl)-Cys(MBzl)-Phe-Trp-Lys(Z)-Tyr-Cys(MBzl)-Val-OBzl" represents a peptide, which is a chain of amino acids. This specific peptide is a derivative of a protein, with each letter representing an amino acid: Z for N-benzyloxycarbonyl, Ala for Alanine, Gly for Glycine, Thr for Threonine, Asp for Aspartic acid, Cys for Cysteine, Phe for Phenylalanine, Trp for Tryptophan, Lys for Lysine, Tyr for Tyrosine, and Val for Valine. The numbers in parentheses, such as OBzl and MBzl, indicate specific protecting groups: OBzl for benzyl ester and MBzl for 4-methylbenzyl. These protecting groups are used in peptide synthesis to prevent unwanted side reactions and ensure the correct sequence is formed. The peptide is terminated with an OBzl group, which is a common protecting group for the carboxyl group of the last amino acid in the sequence. This peptide is likely used in research or pharmaceutical development, where its specific sequence and protecting groups are crucial for its function and stability.

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  • 81657-27-4 Structure

  • Basic information

    1. Product Name: Z-Ala-Gly-Thr-Ala-Asp(OBzl)-Cys(MBzl)-Phe-Trp-Lys(Z)-Tyr-Cys(MBzl)-Val-OBzl
    2. Synonyms: Z-Ala-Gly-Thr-Ala-Asp(OBzl)-Cys(MBzl)-Phe-Trp-Lys(Z)-Tyr-Cys(MBzl)-Val-OBzl
    3. CAS NO:81657-27-4
    4. Molecular Formula:
    5. Molecular Weight: 2052.4
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 81657-27-4.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-Ala-Gly-Thr-Ala-Asp(OBzl)-Cys(MBzl)-Phe-Trp-Lys(Z)-Tyr-Cys(MBzl)-Val-OBzl(CAS DataBase Reference)
    10. NIST Chemistry Reference: Z-Ala-Gly-Thr-Ala-Asp(OBzl)-Cys(MBzl)-Phe-Trp-Lys(Z)-Tyr-Cys(MBzl)-Val-OBzl(81657-27-4)
    11. EPA Substance Registry System: Z-Ala-Gly-Thr-Ala-Asp(OBzl)-Cys(MBzl)-Phe-Trp-Lys(Z)-Tyr-Cys(MBzl)-Val-OBzl(81657-27-4)

  • 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: 81657-27-4(Hazardous Substances Data)

81657-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81657-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81657-27:
(7*8)+(6*1)+(5*6)+(4*5)+(3*7)+(2*2)+(1*7)=144
144 % 10 = 4
So 81657-27-4 is a valid CAS Registry Number.

81657-27-4Upstream product

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81657-27-4Relevant articles and documents

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