N(α)-Z-S-苄基-L-半胱氨酸，CAS 登记号 3257-18-9，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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N(alpha)-Z-S-benzyl-L-cysteine · CAS 3257-18-9 · C18H19NO4S. UNII NS00046426.
| CAS Registry Number | 3257-18-9 |
|---|---|
| PubChem CID | 98775 |
| Molecular formula | C18H19NO4S |
| IUPAC name | (2R)-3-benzylsulfanyl-2-(phenylmethoxycarbonylamino)propanoic acid |
| UNII (FDA) | NS00046426 |
| Molecular Weight | 345.4 |
|---|---|
| XLogP3 | 3.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 9 |
| Exact Mass | 345.10347926 |
| Monoisotopic Mass | 345.10347926 |
| Topological Polar Surface Area | 101 |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Reported hazard statements | H400 (100%) |
|---|
H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
P273, P391, and P501 (click each P-code to see the statement)
3257-18-9; S-Benzyl-N-benzyloxycarbonyl-L-cysteine; DTXSID901204785; N-((Phenylmethoxy)carbonyl)-S-(phenylmethyl)-L-cysteine; N-[(Phenylmethoxy)carbonyl]-S-(phenylmethyl)-L-cysteine; RefChem:1090735; DTXCID101636205; 221-855-8; Z-Cys(Bzl)-OH; N-Cbz-S-benzyl-L-cysteine; N-Carbobenzoxy-S-benzyl-L-cysteine; MFCD00004785; N-Benzyloxycarbonyl-S-benzyl-L-cysteine; Cbz-S-benzyl-L-cysteine; Cbz-(S)-benzyl-D-Cys; FD21235
CAS 3257-18-9; molecular formula C18H19NO4S; molecular weight — g/mol.
3257-18-9, S-Benzyl-N-benzyloxycarbonyl-L-cysteine, DTXSID901204785, N-((Phenylmethoxy)carbonyl)-S-(phenylmethyl)-L-cysteine, N-[(Phenylmethoxy)carbonyl]-S-(phenylmethyl)-L-cysteine, RefChem:1090735.
Hazard statements reported: H400.
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.