H-半胱氨酸(Me)-OH,CAS 登记号 1187-84-4,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。
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本页已列出 H-半胱氨酸(Me)-OH 的 CAS 号:1187-84-4,可与随货 COA 核对。
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H-Cys(Me)-OH · CAS 1187-84-4 · C4H9NO2S. UNII A34I1H07YM.
| CAS Registry Number | 1187-84-4 |
|---|---|
| PubChem CID | 24417 |
| Molecular formula | C4H9NO2S |
| IUPAC name | (2R)-2-amino-3-methylsulfanylpropanoic acid |
| UNII (FDA) | A34I1H07YM |
| Molecular Weight | 135.19 |
|---|---|
| XLogP3 | -2.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 135.03539970 |
| Monoisotopic Mass | 135.03539970 |
| Topological Polar Surface Area | 88.6 |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%), H315 (100%), H319 (100%), H335 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
S-Methyl-L-cysteine; 1187-84-4; S-Methylcysteine; L-Cysteine, S-methyl-; ALANINE, 3-(METHYLTHIO)-, L-; (2R)-2-amino-3-(methylsulfanyl)propanoic acid; (-)-S-Methyl-L-cysteine; (2R)-2-amino-3-methylsulfanylpropanoic acid; A34I1H07YM; CHEBI:45658; NSC-15387; RefChem:884264; (2R)-2-azaniumyl-3-methylsulfanylpropanoate; 214-701-6; 231-787-0; 7728-98-5
CAS 1187-84-4; molecular formula C4H9NO2S; molecular weight — g/mol.
S-Methyl-L-cysteine, 1187-84-4, S-Methylcysteine, L-Cysteine, S-methyl-, ALANINE, 3-(METHYLTHIO)-, L-, (2R)-2-amino-3-(methylsulfanyl)propanoic acid.
Hazard statements reported: H302, H315, 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.