DL-pyroglutamic acid

DL-pyroglutamic acid structural formula

DL-pyroglutamic acid structural formula

Structural formula

Business number 03XY
Molecular formula C5H7NO3
Molecular weight 129.11


DL-Glutamic acid-Y-lactam,

Pyrrolidone carboxylic acid,

DL-5-Oxo-2-pyrrolidinecarboxylic acid

Numbering system

CAS number:149-87-1

MDL number:MFCD00064322

EINECS number:205-748-3

RTECS number:None

BRN number:82131

PubChem number:24857617

Physical property data

1. Physical property data:

1. Character: white crystalline powder

2. Melting point: 183-185℃.

Toxicological data


Ecological data

3. Ecological data:

Other harmful effects: This substance may be harmful to the environment, special attention should be paid to water bodies.

Molecular structure data


Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): -0.8

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3


4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 3

6. Topological molecule polar surface area 66.4

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 154

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 1

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Stable under normal temperature and pressure.

Storage method

Save in a dry and cool place.

Synthesis method



1. Mainly used as biochemical reagents.

2. Biochemical research.

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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