α-Benzyloxycarbonylamino-β-hydroxy-isobutyric acid, also known as Z-β-hydroxy-isobutyric acid or Z-Hib-OH, is a chemical compound that belongs to the class of α-amino acids. It is a protected form of β-hydroxy-isobutyric acid, where the α-amino group is derivatized with a benzyloxycarbonyl (Z) group. This modification is commonly used in peptide synthesis to prevent unwanted side reactions, such as racemization or premature peptide bond formation. The compound features a central isobutyric acid backbone with a hydroxyl group at the β-position and a benzyloxycarbonyl group at the α-position. It is a white crystalline solid and is used as a building block in the synthesis of more complex peptides and proteins.
64840-18-2
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Basic information
- Product Name: α-benzyloxycarbonylamino-β-hydroxy-isobutyric acid
- Synonyms: α-benzyloxycarbonylamino-β-hydroxy-isobutyric acid
- CAS NO:64840-18-2
- Molecular Formula:
- Molecular Weight: 253.255
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: α-benzyloxycarbonylamino-β-hydroxy-isobutyric acid(CAS DataBase Reference)
- NIST Chemistry Reference: α-benzyloxycarbonylamino-β-hydroxy-isobutyric acid(64840-18-2)
- EPA Substance Registry System: α-benzyloxycarbonylamino-β-hydroxy-isobutyric acid(64840-18-2)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 64840-18-2(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 64840-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,4 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.Calculate Digit Verification of CAS Registry Number 64840-18:
(7*6)+(6*4)+(5*8)+(4*4)+(3*0)+(2*1)+(1*8)=132
132 % 10 = 2
So 64840-18-2 is a valid CAS Registry Number.
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α-benzyloxycarbonylamino-β-hydroxy-isobutyric acid
