L-Pyroglutamic acid
L-焦谷氨酸
Also known as: (S)-(-)-2-Pyrrolidone-5-carboxylic acid, 5-Oxo-L-proline, 5-Oxoproline, L-2-Pyrrolidone-5-carboxylic acid, L-5-Oxoproline, L-Glutamic acid lactam, L-Glutiminic acid, 5-Oxo-2-pyrrolidinecarboxylic acid, H-Pyr-OH, H-L-Pyr-OH, L-PCA
- CAS No.
- 98-79-3
- Jingsj CID
- J-10388-0
- Molecular Formula
- C5H7NO3
- Chinese Name
- L-焦谷氨酸
- Molecular Weight
- 129.114 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 160-163 °C(lit.) |
|---|---|
| Boiling Point | 382.4±52.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 185.1±30.7 °C |
Frequently Asked Questions
What is the CAS number of L-Pyroglutamic acid?
98-79-3
What are the molecular formula and molecular weight of L-Pyroglutamic acid?
C5H7NO3, molecular weight 129.114 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026