N-CBZ-L-Proline p-nitrophenyl ester, also known as N-Carbobenzyloxy-L-proline p-nitrophenyl ester, is a synthetic chemical compound with the molecular formula C16H16N2O5. It is a derivative of L-proline, an essential amino acid, where the carbobenzyloxy (CBZ) group is attached to the nitrogen atom, and a p-nitrophenyl group is esterified to the carboxylic acid group. N-CBZ-L-PROLINE P-NITROPHENYL ESTER is widely used in organic synthesis, particularly in peptide chemistry, as a protected building block for the synthesis of peptides and other biologically active molecules. The p-nitrophenyl ester group serves as a leaving group during peptide bond formation, while the CBZ group protects the amino group from unwanted side reactions. Upon completion of the peptide synthesis, the CBZ group can be removed using catalytic hydrogenation or other deprotection methods, revealing the free amino group. N-CBZ-L-Proline p-nitrophenyl ester is a valuable tool in the field of medicinal chemistry and drug development, enabling the creation of complex peptide structures with controlled reactivity and selectivity.

3304-54-9

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Basic information
1. Product Name: N-CBZ-L-PROLINE P-NITROPHENYL ESTER
2. Synonyms:
3. CAS NO:3304-54-9
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3304-54-9.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: N-CBZ-L-PROLINE P-NITROPHENYL ESTER(CAS DataBase Reference)
10. NIST Chemistry Reference: N-CBZ-L-PROLINE P-NITROPHENYL ESTER(3304-54-9)
11. EPA Substance Registry System: N-CBZ-L-PROLINE P-NITROPHENYL ESTER(3304-54-9)
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: 3304-54-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3304-54-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3304-54:
(6*3)+(5*3)+(4*0)+(3*4)+(2*5)+(1*4)=59
59 % 10 = 9
So 3304-54-9 is a valid CAS Registry Number.

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