Carbobenzoxy-Nβ-tert.-butyl-L-asparagin-tert.-butylester is a complex organic compound with the chemical formula C19H30N2O5. It is a derivative of L-asparagine, an amino acid, where the carbobenzoxy group (Cbz) is attached to the Nβ position, and a tert-butyl group is esterified to the carboxylic acid group. β-tert.-butyl>-L-asparagin-tert.-butylester is often used in peptide synthesis as a protecting group for asparagine residues, which helps prevent unwanted side reactions during the assembly of peptide chains. The carbobenzoxy group can be removed under mild acidic conditions, while the tert-butyl ester can be cleaved under more stringent acidic conditions, allowing for controlled deprotection steps in peptide synthesis.
4219-41-4
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Basic information
- Product Name:
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- CAS NO:4219-41-4
- Molecular Formula:
- Molecular Weight: 378.469
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- Hazardous Substances Data: 4219-41-4(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 4219-41-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,1 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.Calculate Digit Verification of CAS Registry Number 4219-41:
(6*4)+(5*2)+(4*1)+(3*9)+(2*4)+(1*1)=74
74 % 10 = 4
So 4219-41-4 is a valid CAS Registry Number.
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β-tert.-butyl>-L-asparagin-tert.-butylester
