Z-Trp-ONB, also known as Z-Trp-ortho-nitrobenzyl, is a chemical compound that consists of a tryptophan (Trp) amino acid derivative with an o-nitrobenzyl (ONB) group attached to it. Z-Trp-ONB is often used in chemical biology and biochemistry as a photolabile protecting group for tryptophan residues in peptides and proteins. Upon exposure to UV light, the o-nitrobenzyl group can be selectively removed, allowing for the controlled release of the tryptophan residue in a light-dependent manner. This property makes Z-Trp-ONB a valuable tool for studying protein-protein interactions, enzyme activity, and other biological processes that can be modulated by light.

84553-04-8

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Basic information
1. Product Name: Z-Trp-ONB
2. Synonyms: Z-Trp-ONB
3. CAS NO:84553-04-8
4. Molecular Formula:
5. Molecular Weight: 499.523
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: Z-Trp-ONB(CAS DataBase Reference)
10. NIST Chemistry Reference: Z-Trp-ONB(84553-04-8)
11. EPA Substance Registry System: Z-Trp-ONB(84553-04-8)
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: 84553-04-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 84553-04-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,5 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 84553-04:
(7*8)+(6*4)+(5*5)+(4*5)+(3*3)+(2*0)+(1*4)=138
138 % 10 = 8
So 84553-04-8 is a valid CAS Registry Number.

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