L-焦谷氨酸（CAS 98-79-3）：分子式 C5H7NO3、分子量 129.11。
L-Pyroglutamic Acid（CAS 98-79-3） 属于 Food Additives 类别，作为常用化工原料在对应应用领域稳定供应。济南圣和化工有限公司（Jinan Shenghe Chemical Co., Ltd.）长期批量供应 L-Pyroglutamic Acid，每批随货提供 COA 与分析证书，支持按订单定制纯度与包装规格。 典型归类：Food Additives。
| CAS号 | 98-79-3 |
|---|---|
| 分子式 | C5H7NO3 |
| 分子量 | 129.11 |
| 熔点 | 184.7 |
| LogP | -0.8 |
| 应用领域 | Uses: A cyclized internal amide of L-glutamic acid、Occurs naturally in vegetables、fruits、grasses、and molasses、[Merck Index]、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Use Classification: Cosmetics -> Humectant、Moisturising、Industry Uses: Antioxidant、Consumer Uses: Antioxidant、U.S. Production: 2021: 55、115 lb、2020: 52、910 lb、General Manufacturing Information: Agriculture、Forestry、Fishing and Hunting、L-Proline、5-oxo-: ACTIVE |
登记用途：Uses: A cyclized internal amide of L-glutamic acid、Occurs naturally in vegetables、fruits、grasses、and molasses、[Merck Index]、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Use Classification: Cosmetics -> Humectant、Moisturising、Industry Uses: Antioxidant、Consumer Uses: Antioxidant、U.S. Production: 2021: 55、115 lb、2020: 52、910 lb、General Manufacturing Information: Agriculture、Forestry、Fishing and Hunting、L-Proline、5-oxo-: ACTIVE。
L-焦谷氨酸 是一种化工化合物，登记 CAS 号为 98-79-3，分子式 C5H7NO3（分子量 129.11）。
登记 CAS 号：98-79-3
其分子式 C5H7NO3 由 5 个碳、7 个氢、1 个氮、3 个氧 组成。
别名/同义词：L-焦谷氨酸 · L-Pyroglutamic Acid
L-焦谷氨酸 的 CAS 登记号为 98-79-3。
分子式 C5H7NO3，分子量 129.11。
别名/同义词：L-焦谷氨酸、L-Pyroglutamic Acid。
登记用途：Uses: A cyclized internal amide of L-glutamic acid、Occurs naturally in vegetables、fruits、grasses、and molasses、[Merck Index]、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Use Classification: Cosmetics -> Humectant、Moisturising、Industry Uses: Antioxidant、Consumer Uses: Antioxidant、U.S. Production: 2021: 55、115 lb、2020: 52、910 lb、General Manufacturing Information: Agriculture、Forestry、Fishing and Hunting、L-Proline、5-oxo-: ACTIVE。
L-焦谷氨酸（CAS 98-79-3）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 98-79-3 |
|---|---|
| PubChem CID | 7405 |
| Molecular formula | C5H7NO3 |
| IUPAC name | (2S)-5-oxopyrrolidine-2-carboxylic acid |
| UNII (FDA) | SZB83O1W42 |
| Molecular Weight | 129.11 |
|---|---|
| XLogP3 | -0.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 129.042593085 |
| Monoisotopic Mass | 129.042593085 |
| Topological Polar Surface Area | 66.4 |
| Heavy Atom Count | 9 |
| Melting Point | 184.7 |
|---|---|
| Solubility | 476000 |
| Solubility | 476.0 mg/mL at 13 °C |
| Collision Cross Section | 124.6 Ų [M-H]- |
| Collision Cross Section | 130.6 Ų [M+H]+ |
L-Pyroglutamic acid; 98-79-3; Pyroglutamic acid; Pidolic acid; 5-oxo-L-proline; (2S)-5-oxopyrrolidine-2-carboxylic acid; pyroglu; GLUTIMIC ACID; (S)-(-)-2-Pyrrolidone-5-carboxylic acid; 5-L-Oxoproline; L-Proline, 5-oxo-; L-5-Oxoproline; Pidolidone; (S)-PYROGLUTAMIC ACID; AJIDEW A-100; (-)-2-Pyrrolidone-5-carboxylic acid
| Regulatory & Food Contact | CIR / INCI: Moisturising; Humectant |
|---|---|
| GHS notification summary | 1.5% (5 / 343) |
| GHS notification summary | 1.5% (5 / 343) |
|---|---|
| Reported hazard statements | H315 (21.9%), H318 (78.1%), H319 (20.4%), H335 (21.6%) |
This chemical does not meet GHS hazard criteria for 1.5% (5 of 343) of reports.
H315 (21.9%): Causes skin irritation [Warning Skin corrosion/irritation]
L-Pyroglutamic Acid · CAS 98-79-3 · C5H7NO3. UNII SZB83O1W42. Melting Point: 184.7; Solubility: 476000; Solubility: 476.0 mg/mL at 13 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: L-Pyroglutamic Acid