Tosyl-DL-valyl-L-leucin, also known as tosyl-DL-valine-L-leucine, is a tripeptide compound consisting of two amino acids, DL-valine and L-leucine, with a tosyl group attached to the N-terminus. The DL-valine is a racemic mixture of the D and L isomers, while L-leucine is the naturally occurring L-isomer. This specific arrangement of amino acids and the tosyl group gives the compound unique properties, making it useful in various biochemical and synthetic applications, such as a substrate for proteases and a building block in peptide synthesis. The tosyl group, a derivative of toluene sulfonyl chloride, serves as a protecting group or a reactive handle in chemical reactions, allowing for controlled modifications and functionalization of the peptide.

4816-83-5

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Basic information
1. Product Name: Tosyl-DL-valyl-L-leucin
2. Synonyms:
3. CAS NO:4816-83-5
4. Molecular Formula:
5. Molecular Weight: 384.497
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: Tosyl-DL-valyl-L-leucin(CAS DataBase Reference)
10. NIST Chemistry Reference: Tosyl-DL-valyl-L-leucin(4816-83-5)
11. EPA Substance Registry System: Tosyl-DL-valyl-L-leucin(4816-83-5)
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: 4816-83-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4816-83-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,1 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4816-83:
(6*4)+(5*8)+(4*1)+(3*6)+(2*8)+(1*3)=105
105 % 10 = 5
So 4816-83-5 is a valid CAS Registry Number.

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