α-N-acetyl-ε-N-tosyl-L-lysine, also known as Ac-Lys(Tos)-OH, is a synthetic derivative of the naturally occurring amino acid L-lysine. In α-N-acetyl-ε-N-tosyl-L-lysine, the α-amino group of L-lysine is acetylated, and the ε-amino group is modified with a tosyl (tosyl = 4-methylbenzenesulfonyl) group. This modification enhances the reactivity and stability of the molecule, making it a valuable building block in peptide synthesis and a useful intermediate in the preparation of various bioactive peptides and pharmaceuticals. The tosyl group serves as a protecting group, preventing unwanted side reactions during peptide synthesis, while the acetyl group can be used to control the reactivity of the α-amino group. Overall, α-N-acetyl-ε-N-tosyl-L-lysine is an important chemical in the field of organic chemistry and peptide research due to its unique structure and properties.
94251-50-0
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Basic information
- Product Name: α-N-acetyl-ε-N-tosyl-L-lysine
- Synonyms: α-N-acetyl-ε-N-tosyl-L-lysine
- CAS NO:94251-50-0
- Molecular Formula:
- Molecular Weight: 342.416
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: α-N-acetyl-ε-N-tosyl-L-lysine(CAS DataBase Reference)
- NIST Chemistry Reference: α-N-acetyl-ε-N-tosyl-L-lysine(94251-50-0)
- EPA Substance Registry System: α-N-acetyl-ε-N-tosyl-L-lysine(94251-50-0)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 94251-50-0(Hazardous Substances Data)
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94251-50-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94251-50-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,5 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.Calculate Digit Verification of CAS Registry Number 94251-50:
(7*9)+(6*4)+(5*2)+(4*5)+(3*1)+(2*5)+(1*0)=130
130 % 10 = 0
So 94251-50-0 is a valid CAS Registry Number.
94251-50-0Upstream product
94251-50-0Downstream Products
- 124920-23-6 2-Acetylamino-6,6-dimethoxy-5-(toluene-4-sulfonylamino)-hexanoic acid methyl ester
- 90866-94-7 ethyl N-acetyl-5-(p-toluenesulfonamido)pipecolate
- 124920-25-8 (2R,5R)-1-Acetyl-5-(toluene-4-sulfonylamino)-piperidine-2-carboxylic acid methyl ester
- 124920-24-7 1-Acetyl-5-(toluene-4-sulfonylamino)-1,2,3,4-tetrahydro-pyridine-2-carboxylic acid methyl ester
- 124920-22-5 α-N-acetyl-ε-N-tosyl-L-lysine methyl ester
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α-N-acetyl-ε-N-tosyl-L-lysine
