Boc-Asn-Cys(CH2SBzl)-ONp is a complex chemical compound that plays a significant role in the field of peptide synthesis. It is a protected peptide fragment, where "Boc" stands for the tert-butyloxycarbonyl group, a widely used protecting group in peptide chemistry that shields the amino group. "Asn" represents asparagine, an amino acid, while "Cys" stands for cysteine, another amino acid that is notable for its thiol side chain. The "(CH2SBzl)" part indicates that the cysteine's thiol group is modified with a benzyl (Bzl) group, which is a protecting group for the thiol function. "ONp" signifies that the peptide is capped with a 4-nitrophenyl protecting group on the N-terminus. Boc-Asn-Cys(CH₂SBzl)-ONp is crucial for the synthesis of larger peptides and proteins, as the protecting groups prevent unwanted side reactions during the assembly process. The Boc-Asn-Cys(CH2SBzl)-ONp structure allows for controlled deprotection steps, enabling the stepwise construction of peptides with specific sequences and functionalities.

4801-54-1

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Basic information
1. Product Name: Boc-Asn-Cys(CH₂SBzl)-ONp
2. Synonyms:
3. CAS NO:4801-54-1
4. Molecular Formula:
5. Molecular Weight: 592.694
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: Boc-Asn-Cys(CH₂SBzl)-ONp(CAS DataBase Reference)
10. NIST Chemistry Reference: Boc-Asn-Cys(CH₂SBzl)-ONp(4801-54-1)
11. EPA Substance Registry System: Boc-Asn-Cys(CH₂SBzl)-ONp(4801-54-1)
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: 4801-54-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4801-54-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,0 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4801-54:
(6*4)+(5*8)+(4*0)+(3*1)+(2*5)+(1*4)=81
81 % 10 = 1
So 4801-54-1 is a valid CAS Registry Number.

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