"Z(OMe)-Val-Lys(ε-Z)-NH-NH2" is a peptide compound consisting of three amino acids: valine, lysine, and a terminal amine group. The "Z(OMe)" and "ε-Z" groups are protecting groups used in peptide synthesis to prevent unwanted side reactions. "Z(OMe)" is a benzyloxycarbonyl group with a methoxyethyl ester, which protects the N-terminal amino group, while "ε-Z" is another benzyloxycarbonyl group protecting the ε-amino group of lysine. This specific sequence and protection scheme are crucial for the controlled synthesis of larger peptides or proteins, ensuring that the amino acids are added in the correct order and that the reactive groups are protected until the final stages of the synthesis process.

17681-82-2

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Basic information
1. Product Name: Z(OMe)-Val-Lys(ε-Z)-NH-NH2
2. Synonyms:
3. CAS NO:17681-82-2
4. Molecular Formula:
5. Molecular Weight: 557.647
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(OMe)-Val-Lys(ε-Z)-NH-NH2(CAS DataBase Reference)
10. NIST Chemistry Reference: Z(OMe)-Val-Lys(ε-Z)-NH-NH2(17681-82-2)
11. EPA Substance Registry System: Z(OMe)-Val-Lys(ε-Z)-NH-NH2(17681-82-2)
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: 17681-82-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 17681-82-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,8 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17681-82:
(7*1)+(6*7)+(5*6)+(4*8)+(3*1)+(2*8)+(1*2)=132
132 % 10 = 2
So 17681-82-2 is a valid CAS Registry Number.

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