"Z-Cys(SO2NH2)-Val-OMe" is a peptide compound consisting of three amino acid residues: Cysteine (Cys), Valine (Val), and Methionine (Met). The "Z" group is a protecting group used in peptide synthesis to prevent unwanted side reactions. The "SO2NH2" group is attached to the cysteine residue, which is a sulfonamide group that can potentially form hydrogen bonds and influence the peptide's conformation. The "OMe" group is a methoxy protecting group attached to the methionine residue, which is used to prevent oxidation and other side reactions during peptide synthesis. This specific sequence and modification are likely used in research to study the effects of these modifications on peptide properties, such as stability, solubility, and biological activity.

33891-64-4

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Basic information
1. Product Name: Z-Cys(SO₂NH₂)-Val-OMe
2. Synonyms:
3. CAS NO:33891-64-4
4. Molecular Formula:
5. Molecular Weight: 415.467
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-Cys(SO₂NH₂)-Val-OMe(CAS DataBase Reference)
10. NIST Chemistry Reference: Z-Cys(SO₂NH₂)-Val-OMe(33891-64-4)
11. EPA Substance Registry System: Z-Cys(SO₂NH₂)-Val-OMe(33891-64-4)
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: 33891-64-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 33891-64-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,9 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33891-64:
(7*3)+(6*3)+(5*8)+(4*9)+(3*1)+(2*6)+(1*4)=134
134 % 10 = 4
So 33891-64-4 is a valid CAS Registry Number.

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