3,4-dehydroproline (CAS 3220-74-4) — formula C5H7NO2, molecular weight 113.11; category food additives.
3,4-dehydroproline (CAS 3220-74-4) is classified under Food Additives, with molecular formula C5H7NO2 and molecular weight 113.11, and serves as a key raw material in the food and beverage industry — commonly applied as a food additive, nutritional supplement, or processing aid where regulatory-grade purity is required. Jinan Shenghe Chemical Co., Ltd. supplies 3,4-dehydroproline at commercial scale with stable lot-to-lot quality, accompanied by COA and full specification documentation. Typical categorization: Food Additives.
| CAS Number | 3220-74-4 |
|---|---|
| Molecular Formula | C5H7NO2 |
| Molecular Weight | 113.11 |
| LogP | -2.5 |
| Category | Food Additives |
3,4-dehydroproline is a food-grade compound with CAS registry number 3220-74-4 and molecular formula C5H7NO2 (molecular weight 113.11), belonging to the food additives segment of chemical raw materials.
CAS number: 3220-74-4
Its molecular formula C5H7NO2 comprises 5 C, 7 H, 1 N, 2 O atoms.
Also known as: 3,4-dehydroproline · 3,4-脱氢脯氨酸
Category: food additives
The CAS registry number of 3,4-dehydroproline is 3220-74-4.
Molecular formula C5H7NO2, molecular weight 113.11.
It is also registered under: 3,4-dehydroproline, 3,4-脱氢脯氨酸.
Category: Food Additives.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 3,4-dehydroproline (CAS 3220-74-4), compiled from public chemistry databases.
| CAS Number | 3220-74-4 |
|---|---|
| PubChem CID | 97858 |
| Molecular Formula | C5H7NO2 |
| IUPAC Name | 2,5-dihydro-1H-pyrrole-2-carboxylic acid |
| UNII (FDA) | VEN38AMU74 |
| Molecular Weight | 113.11 |
|---|---|
| XLogP3 | -2.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 113.047678466 |
| Monoisotopic Mass | 113.047678466 |
| Topological Polar Surface Area | 49.3 |
| Heavy Atom Count | 8 |
3,4-Dehydroproline; 3-Pyrroline-2-carboxylic acid; 3220-74-4; VEN38AMU74; 2,5-Dihydro-1H-pyrrole-carboxylic acid; NSC-49883; RefChem:485814; 2,5-Dihydro-1H-pyrrole-2-carboxylic acid; 3395-35-5; 3,4-Dehydro-DL-proline; DL-3,4-Dehydroproline; 2,5-Dihydro-1H-pyrrole-2-carboxylicacid; H-3,4-DEHYDRO-DL-PRO-OH; MFCD00005214; 1H-Pyrrole-2-carboxylic acid, 2,5-dihydro-; bmse000080
| Notified hazard statements | H315 (100%), H319 (100%), H335 (100%) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3,4-脱氢脯氨酸