Carbobenzoxy-L-leucyl-L-leucin-benzylester, also known as Z-LL-OBzl, is a synthetic peptide derivative that consists of two leucine amino acids connected by a peptide bond, with a carbobenzoxy (Cbz) protecting group on the N-terminus and a benzyl ester (OBzl) on the C-terminus. Carbobenzoxy-L-leucyl-L-leucin-benzylester is commonly used in peptide synthesis as a building block, where the protecting groups prevent unwanted side reactions during the assembly process. The Cbz group is an amino-protecting group that can be removed under acidic conditions, while the OBzl group is a carboxyl-protecting group that can be removed under basic conditions. The use of these protecting groups allows for the controlled synthesis of complex peptides with specific sequences and functionalities.

3304-64-1

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Basic information
1. Product Name: Carbobenzoxy-L-leucyl-L-leucin-benzylester
2. Synonyms: Carbobenzoxy-L-leucyl-L-leucin-benzylester
3. CAS NO:3304-64-1
4. Molecular Formula:
5. Molecular Weight: 468.593
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: Carbobenzoxy-L-leucyl-L-leucin-benzylester(CAS DataBase Reference)
10. NIST Chemistry Reference: Carbobenzoxy-L-leucyl-L-leucin-benzylester(3304-64-1)
11. EPA Substance Registry System: Carbobenzoxy-L-leucyl-L-leucin-benzylester(3304-64-1)
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: 3304-64-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3304-64-1 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, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3304-64:
(6*3)+(5*3)+(4*0)+(3*4)+(2*6)+(1*4)=61
61 % 10 = 1
So 3304-64-1 is a valid CAS Registry Number.

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3303-31-9 L-leucyl-L-leucine

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