Z-Tyr(Z)-OSu, also known as N-benzyloxycarbonyl-N'-benzyloxycarbonyl-L-tyrosine p-tosyl ester, is a synthetic peptide coupling reagent used in the field of organic chemistry and peptide synthesis. It is a protected form of L-tyrosine, where both the amino and carboxyl groups are modified with benzyloxycarbonyl (Z) protecting groups, and the side chain hydroxyl group is protected with a p-toluenesulfonyl (Tos) group. Z-Tyr(Z)-OSu is particularly useful for the stepwise assembly of peptides, as the protecting groups can be selectively removed at different stages of the synthesis process, allowing for controlled peptide bond formation. The Z group is typically removed using hydrogenolysis or acidolysis, while the Tos group can be removed under milder conditions, facilitating the synthesis of complex peptide sequences.

6461-23-0

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Basic information
1. Product Name: Z-Tyr(Z)-OSu
2. Synonyms:
3. CAS NO:6461-23-0
4. Molecular Formula:
5. Molecular Weight: 546.533
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(Z)-OSu(CAS DataBase Reference)
10. NIST Chemistry Reference: Z-Tyr(Z)-OSu(6461-23-0)
11. EPA Substance Registry System: Z-Tyr(Z)-OSu(6461-23-0)
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: 6461-23-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6461-23-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,6 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6461-23:
(6*6)+(5*4)+(4*6)+(3*1)+(2*2)+(1*3)=90
90 % 10 = 0
So 6461-23-0 is a valid CAS Registry Number.

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14297-20-2 N-(N,O-bis-benzyloxycarbonyl-L-tyrosyl)-glycine

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