L-Selenomethionine (CAS 3211-76-5) — formula C5H11NO2Se, molecular weight 197.00 g/mol; category fine chemicals.
L-Selenomethionine (CAS 3211-76-5) is a chemical raw material in the fine chemicals category. Its molecular formula C5H11NO2Se comprises 5 C, 11 H, 1 N, 2 O, 1 Se atoms. Its molecular weight is about 197.00 g/mol. Reported physicochemical data: melting point around 275 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 3211-76-5 |
|---|---|
| Molecular Formula | C5H11NO2Se |
| Molecular Weight | 197.00 g/mol |
| Melting Point | 275 °C |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | 典型应用领域：精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g |
| Category | Fine Chemicals |
Documented applications: 典型应用领域：精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g.
L-Selenomethionine is a high-value fine compound with CAS registry number 3211-76-5 and molecular formula C5H11NO2Se (molecular weight 197.00 g/mol), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 3211-76-5
Its molecular formula C5H11NO2Se comprises 5 C, 11 H, 1 N, 2 O, 1 Se atoms.
Also known as: L-Selenomethionine · L-硒代蛋氨酸
Category: fine chemicals
The CAS registry number of L-Selenomethionine is 3211-76-5.
Molecular formula C5H11NO2Se, molecular weight 197.00 g/mol.
It is also registered under: L-Selenomethionine, L-硒代蛋氨酸.
Recorded applications: 典型应用领域：精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g.
Category: Fine Chemicals.
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 L-Selenomethionine (CAS 3211-76-5), compiled from public chemistry databases.
| CAS Number | 3211-76-5 |
|---|---|
| PubChem CID | 105024 |
| Molecular Formula | C5H11NO2Se |
| Molecular Weight | 197.00 g/mol |
| IUPAC Name | (2S)-2-amino-4-methylselanylbutanoic acid |
| InChIKey | RJFAYQIBOAGBLC-BYPYZUCNSA-N |
| UNII (FDA) | 964MRK2PEL |
| Molecular Weight | 196.12 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 196.99550 |
| Monoisotopic Mass | 196.99550 |
| Topological Polar Surface Area | 63.3 |
| Heavy Atom Count | 9 |
| Melting Point | 275 °C |
|---|---|
| Collision Cross Section | 135.4 Ų [M+H]+ |
| Collision Cross Section | 150 Ų [M-H]- |
| Collision Cross Section | 138.2 Ų [M+Na]+ |
L-selenomethionine; 3211-76-5; Seleno-L-methionine; SeMet; (2S)-2-amino-4-methylselanylbutanoic acid; (2S)-2-amino-4-(methylseleno)butanoic acid; CHEBI:30021; NSC724226; Selenomethionine-L; RefChem:1088270; (2S)-2-azaniumyl-4-methylselanylbutanoate; L-(+)-Selenomethionine; Selenium-L-methionine; L-Selenomethioninum; (S)-2-Amino-4-(methylselanyl)butanoic acid; (S)-2-Amino-4-(methylseleno)butanoic acid
| Notified hazard statements | H301 (100%), H331 (100%), H373 (97.9%), H400 (99%), H410 (99%) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: L-硒代蛋氨酸