"Z-His-Asp(ONB)-ONB" is a synthetic peptide consisting of three amino acids: Z-protected histidine (Z-His), aspartic acid with a 2-nitrobenzyl (ONB) group attached (Asp(ONB)), and a terminal ONB group. This specific sequence and modification are designed for use in various biochemical and biophysical studies, such as protein synthesis, enzyme activity assays, and structural analysis. The Z-group is a protecting group that shields the histidine side chain during peptide synthesis, preventing unwanted side reactions. The ONB groups are used for photochemical cleavage, allowing for the controlled release of the peptide from a solid support or for the study of peptide-protein interactions under specific conditions. Z-His-Asp(ONB)-ONB is a valuable tool in the field of peptide chemistry and molecular biology, enabling researchers to explore the properties and functions of peptides in a controlled and precise manner.

24250-77-9

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Basic information
1. Product Name: Z-His-Asp(ONB)-ONB
2. Synonyms:
3. CAS NO:24250-77-9
4. Molecular Formula:
5. Molecular Weight: 674.624
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-His-Asp(ONB)-ONB(CAS DataBase Reference)
10. NIST Chemistry Reference: Z-His-Asp(ONB)-ONB(24250-77-9)
11. EPA Substance Registry System: Z-His-Asp(ONB)-ONB(24250-77-9)
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: 24250-77-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 24250-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,2,5 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 24250-77:
(7*2)+(6*4)+(5*2)+(4*5)+(3*0)+(2*7)+(1*7)=89
89 % 10 = 9
So 24250-77-9 is a valid CAS Registry Number.

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