"Nα-(α-L-asparagyl)-Nε-tosyl-L-lysin" is a complex peptide compound consisting of three main components: L-asparagine, L-lysine, and tosyl group. L-asparagine is an amino acid with an amide side chain, while L-lysine is an amino acid with a primary amine side chain. The tosyl group is a protecting group used in peptide synthesis, derived from toluene sulfonyl chloride. In N^α-(α-L-asparagyl)-N^ε-tosyl-L-lysin, the α-carboxylate group of L-asparagine is linked to the ε-amino group of L-lysine through an amide bond, forming an asparagine-lysine peptide bond. The tosyl group is attached to the ε-amino group of L-lysine, protecting it from unwanted side reactions during peptide synthesis. N^α-(α-L-asparagyl)-N^ε-tosyl-L-lysin is often used as an intermediate in the synthesis of larger peptides and proteins, as well as in the study of peptide bond formation and protein folding.

5891-54-3

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Basic information
1. Product Name: N^α-(α-L-asparagyl)-N^ε-tosyl-L-lysin
2. Synonyms:
3. CAS NO:5891-54-3
4. Molecular Formula:
5. Molecular Weight: 415.467
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-(α-L-asparagyl)-N^ε-tosyl-L-lysin(CAS DataBase Reference)
10. NIST Chemistry Reference: N^α-(α-L-asparagyl)-N^ε-tosyl-L-lysin(5891-54-3)
11. EPA Substance Registry System: N^α-(α-L-asparagyl)-N^ε-tosyl-L-lysin(5891-54-3)
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: 5891-54-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5891-54-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,9 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5891-54:
(6*5)+(5*8)+(4*9)+(3*1)+(2*5)+(1*4)=123
123 % 10 = 3
So 5891-54-3 is a valid CAS Registry Number.

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