Proline, 1-ethenyl-5-oxo, methyl ester (9CI) is a chemical compound with the molecular formula C7H9NO3. It is a derivative of proline, an essential amino acid, and features a vinyl group (1-ethenyl) and a methyl ester group. Proline, 1-ethenyl-5-oxo-, methyl ester (9CI) is characterized by its 5-oxo structure, indicating the presence of a carbonyl group at the 5th position. It is an important intermediate in the synthesis of various biologically active compounds and pharmaceuticals, particularly those involving proline-based structures. The compound's unique structure allows for further chemical modifications and functional group transformations, making it a valuable building block in organic synthesis and medicinal chemistry.

4931-67-3

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Basic information
1. Product Name: Proline, 1-ethenyl-5-oxo-, methyl ester (9CI)
2. Synonyms: Proline, 1-ethenyl-5-oxo-, methyl ester (9CI)
3. CAS NO:4931-67-3
4. Molecular Formula: C8H11NO3
5. Molecular Weight: 169.17784
6. EINECS: N/A
7. Product Categories: PYRROLE
8. Mol File: 4931-67-3.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Proline, 1-ethenyl-5-oxo-, methyl ester (9CI)(CAS DataBase Reference)
10. NIST Chemistry Reference: Proline, 1-ethenyl-5-oxo-, methyl ester (9CI)(4931-67-3)
11. EPA Substance Registry System: Proline, 1-ethenyl-5-oxo-, methyl ester (9CI)(4931-67-3)
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: 4931-67-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4931-67-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,3 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4931-67:
(6*4)+(5*9)+(4*3)+(3*1)+(2*6)+(1*7)=103
103 % 10 = 3
So 4931-67-3 is a valid CAS Registry Number.

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