Z-Tyr(O-t-Bu)-Gln-OH is a tripeptide compound consisting of three amino acids: Tyrosine (Tyr), Glutamine (Gln), and a protected Tyrosine (Tyr(O-t-Bu)). The "Z" prefix indicates the presence of a benzyloxycarbonyl (Cbz) protecting group, which is commonly used in peptide synthesis to prevent unwanted side reactions. The "O-t-Bu" in the sequence refers to the tert-butyl (t-Bu) group attached to the hydroxyl group of the tyrosine residue, which serves as a protecting group for the phenolic hydroxyl group. Z-Tyr(O-t-Bu)-Gln-OH is often used in the synthesis of larger peptides and proteins, as the protecting groups can be removed at specific stages of the synthesis process to allow for further reactions. The sequence and protecting groups in Z-Tyr(O-t-Bu)-Gln-OH are crucial for controlling the reactivity and selectivity of the peptide bonds during synthesis.

56867-25-5

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Basic information
1. Product Name: Z-Tyr(O-t-Bu)-Gln-OH
2. Synonyms:
3. CAS NO:56867-25-5
4. Molecular Formula:
5. Molecular Weight: 499.564
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-Tyr(O-t-Bu)-Gln-OH(CAS DataBase Reference)
10. NIST Chemistry Reference: Z-Tyr(O-t-Bu)-Gln-OH(56867-25-5)
11. EPA Substance Registry System: Z-Tyr(O-t-Bu)-Gln-OH(56867-25-5)
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: 56867-25-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 56867-25-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,8,6 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56867-25:
(7*5)+(6*6)+(5*8)+(4*6)+(3*7)+(2*2)+(1*5)=165
165 % 10 = 5
So 56867-25-5 is a valid CAS Registry Number.

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