"Nα-Benzyloxycarbonyl-Nδ-tert.butoxycarbonyl-L-ornithin-p-nitrophenylester" is a complex chemical compound, often used in peptide synthesis. It is a protected form of L-ornithine, an amino acid, with two protecting groups: a benzyloxycarbonyl (Z) group at the α-amino group and a tert-butoxycarbonyl (Boc) group at the δ-amino group. The p-nitrophenylester group is attached to the carboxylic acid group, which is useful for monitoring the progress of peptide bond formation due to the change in absorbance upon hydrolysis. N^α-Benzyloxycarbonyl-N^δ-tert.butoxycarbonyl-L-ornithin-p-nitrophenylester is crucial in the synthesis of peptides, as the protecting groups prevent unwanted side reactions and ensure that the peptide bonds form in the correct sequence.

7733-30-4

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Basic information
1. Product Name: N^α-Benzyloxycarbonyl-N^δ-tert.butoxycarbonyl-L-ornithin-p-nitrophenylester
2. Synonyms:
3. CAS NO:7733-30-4
4. Molecular Formula:
5. Molecular Weight: 487.51
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: 102 °C
2. Boiling Point: 669.4±55.0 °C(Predicted)
3. Flash Point: N/A
4. Appearance: N/A
5. Density: 1.250±0.06 g/cm3(Predicted)
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: N^α-Benzyloxycarbonyl-N^δ-tert.butoxycarbonyl-L-ornithin-p-nitrophenylester(CAS DataBase Reference)
10. NIST Chemistry Reference: N^α-Benzyloxycarbonyl-N^δ-tert.butoxycarbonyl-L-ornithin-p-nitrophenylester(7733-30-4)
11. EPA Substance Registry System: N^α-Benzyloxycarbonyl-N^δ-tert.butoxycarbonyl-L-ornithin-p-nitrophenylester(7733-30-4)
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: 7733-30-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7733-30-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,3 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7733-30:
(6*7)+(5*7)+(4*3)+(3*3)+(2*3)+(1*0)=104
104 % 10 = 4
So 7733-30-4 is a valid CAS Registry Number.

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