Nα-tert.-Butyloxycarbonyl-Nβ-p-tosyl-hydrazinoessigsaeure-ethylester is a complex organic compound with the molecular formula C20H26N2O6S. It is a derivative of hydrazine acetic acid, featuring a tert-butyloxycarbonyl (Boc) group at the α-amino position and a p-tosyl (tosyl) group at the β-amino position. The ethyl ester group is attached to the carboxylic acid functionality. N^α-tert.-Butyloxycarbonyl-N^β-p-tosyl-hydrazinoessigsaeure-ethylester is often used in peptide synthesis as a protecting group strategy to prevent unwanted side reactions during the coupling of amino acids. The Boc group is used to protect the α-amino group, while the tosyl group protects the β-amino group. The ethyl ester group is a common esterification of the carboxylic acid, which can be hydrolyzed under basic conditions to regenerate the free acid. N^α-tert.-Butyloxycarbonyl-N^β-p-tosyl-hydrazinoessigsaeure-ethylester is a valuable intermediate in the synthesis of various peptides and pharmaceuticals, allowing chemists to control the reactivity and selectivity of the amino acid residues during the assembly process.

4467-47-4

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Basic information
1. Product Name: N^α-tert.-Butyloxycarbonyl-N^β-p-tosyl-hydrazinoessigsaeure-ethylester
2. Synonyms:
3. CAS NO:4467-47-4
4. Molecular Formula:
5. Molecular Weight: 372.442
6. EINECS: N/A
7. Product Categories: N/A
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^α-tert.-Butyloxycarbonyl-N^β-p-tosyl-hydrazinoessigsaeure-ethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: N^α-tert.-Butyloxycarbonyl-N^β-p-tosyl-hydrazinoessigsaeure-ethylester(4467-47-4)
11. EPA Substance Registry System: N^α-tert.-Butyloxycarbonyl-N^β-p-tosyl-hydrazinoessigsaeure-ethylester(4467-47-4)
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: 4467-47-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4467-47-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,6 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4467-47:
(6*4)+(5*4)+(4*6)+(3*7)+(2*4)+(1*7)=104
104 % 10 = 4
So 4467-47-4 is a valid CAS Registry Number.

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