N-[N-(toluene-4-sulfonyl)-alanyl]-glycine, also known as L-tosyl-L-phenylalanine chloromethyl ketone (TPCK), is a chemical compound derived from the combination of toluene-4-sulfonyl (tosyl) group, alanine, and glycine. This molecule is widely used as a specific inhibitor of serine proteases, particularly trypsin and chymotrypsin, by forming a covalent bond with the active site serine residue in the enzyme. TPCK is commonly employed in biochemical research to study the function and regulation of proteases, as well as in the development of therapeutic agents targeting these enzymes. Its structure and reactivity make it a valuable tool in understanding the mechanisms of proteolysis and in the design of protease inhibitors for various applications.

4780-12-5

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Basic information
1. Product Name: N-[N-(toluene-4-sulfonyl)-alanyl]-glycine
2. Synonyms:
3. CAS NO:4780-12-5
4. Molecular Formula:
5. Molecular Weight: 300.335
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-[N-(toluene-4-sulfonyl)-alanyl]-glycine(CAS DataBase Reference)
10. NIST Chemistry Reference: N-[N-(toluene-4-sulfonyl)-alanyl]-glycine(4780-12-5)
11. EPA Substance Registry System: N-[N-(toluene-4-sulfonyl)-alanyl]-glycine(4780-12-5)
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: 4780-12-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4780-12-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,8 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4780-12:
(6*4)+(5*7)+(4*8)+(3*0)+(2*1)+(1*2)=95
95 % 10 = 5
So 4780-12-5 is a valid CAS Registry Number.

4780-12-5Upstream product

56-40-6 glycine

4780-12-5Downstream Products

1188-01-8 dl-alanylglycine

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