L-半胱氨酸盐酸盐一水合物，CAS 登记号 7048-04-6，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，下游主要用于食品添加剂。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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L-Cysteine HCL Monohydrate · CAS 7048-04-6 · C3H7NO2S.ClH.H2O. UNII ZT934N0X4W.
| CAS Registry Number | 7048-04-6 |
|---|---|
| PubChem CID | 23462 |
| Molecular formula | C3H7NO2S.ClH.H2O |
| IUPAC name | (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride |
| UNII (FDA) | ZT934N0X4W |
| Molecular Weight | 175.64 |
|---|---|
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 175.0069920 |
| Monoisotopic Mass | 175.0069920 |
| Topological Polar Surface Area | 65.3 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 75.3 |
| Regulatory & Food Contact | CIR / INCI: Cosmetic ingredients (Cysteine HCl) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Reducing; Antioxidant |
|---|
| Reported hazard statements | H315 (100%), H319 (100%), H335 (100%), H302 |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
L-Cysteine hydrochloride monohydrate; 7048-04-6; L-Cysteine hydrochloride hydrate; 345909-32-2; H-Cys-OH.HCl.H2O; (R)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate; L-Cysteine (hydrochloride hydrate); L-Cysteine monohydrate monochloride; (R)-2-Amino-3-mercaptopropanoic acid hydrochloride xhydrate; Cysteine HCl; L-Cysteine HCl hydrate; L-CYSTEINE, HYDROCHLORIDE, HYDRATE (1:1:1); (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride; MFCD00065606; L-CYSTEINE HYDROCHLORIDE HYDRATE, 98.5-101.5%; L-cysteine monohydrochloride monohydrate
CAS 7048-04-6; molecular formula C3H7NO2S.ClH.H2O; molecular weight — g/mol.
L-Cysteine hydrochloride monohydrate, 7048-04-6, L-Cysteine hydrochloride hydrate, 345909-32-2, H-Cys-OH.HCl.H2O, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate.
Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Cysteine HCl) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Reducing; Antioxidant.
Hazard statements reported: H315, H319, H335, H302.
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.