蛋氨酸，CAS 登记号 503-40-2，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
有机化学品
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 蛋氨酸 的 CAS 号：503-40-2，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及有机化学品。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
Methionic acid · CAS 503-40-2 · CH4O6S2. UNII 55N1VUX48W.
| CAS Registry Number | 503-40-2 |
|---|---|
| PubChem CID | 10427 |
| Molecular formula | CH4O6S2 |
| IUPAC name | methanedisulfonic acid |
| UNII (FDA) | 55N1VUX48W |
| Molecular Weight | 176.17 |
|---|---|
| XLogP3 | -1.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 2 |
| Exact Mass | 175.94493019 |
| Monoisotopic Mass | 175.94493019 |
| Topological Polar Surface Area | 126 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Reported hazard statements | H314 (33.3%), H315 (52.4%), H318 (14.3%), H319 (52.4%), H335 (52.4%), H413 (14.3%) |
|---|
H314 (33.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H315 (52.4%): Causes skin irritation [Warning Skin corrosion/irritation]
METHANEDISULFONIC ACID; 503-40-2; Methionic acid; UNII-55N1VUX48W; 55N1VUX48W; methylenedisulfonic acid; EINECS 207-966-4; METHIONIC ACID [MI]; DTXSID3060118; RefChem:156914; DTXCID2040814; 207-966-4; Methane disulfonic acid; Methanedisulphonic acid; METHANEDISULFONICACID; MFCD00041888
CAS 503-40-2; molecular formula CH4O6S2; molecular weight — g/mol.
METHANEDISULFONIC ACID, 503-40-2, Methionic acid, UNII-55N1VUX48W, 55N1VUX48W, methylenedisulfonic acid.
Hazard statements reported: H314, H315, H318, H319, H335.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.