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DL-Penicillamine · CAS 52-66-4 · C5H11NO2S. UNII 2XOP7Y1H98. Melting Point: 198.5 °C; Solubility: 4.65e+00 g/L; LogP: -1.9.
| CAS Registry Number | 52-66-4 |
|---|---|
| PubChem CID | 4727 |
| Molecular formula | C5H11NO2S |
| IUPAC name | 2-amino-3-methyl-3-sulfanylbutanoic acid |
| UNII (FDA) | 2XOP7Y1H98 |
| Molecular Weight | 149.21 |
|---|---|
| XLogP3 | -1.8 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 149.05104977 |
| Monoisotopic Mass | 149.05104977 |
| Topological Polar Surface Area | 64.3 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Melting Point | 198.5 °C |
|---|---|
| Solubility | 4.65e+00 g/L |
| LogP | -1.9 |
| Reported hazard statements | H302 (100%), H315 (100%), H319 (100%), H335 (97.7%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
DL-Penicillamine; 52-66-4; (+-)-Penicillamine; Valine, 3-mercapto-; 2XOP7Y1H98; RefChem:1049043; 2-Amino-3-mercapto-3-methylbutanoic acid; 3-Sulfanylvaline; DL-beta-Mercaptovaline; beta-Mercaptovaline; 2-amino-3-methyl-3-sulfanylbutanoic acid; 3,3-Dimethyl-DL-cysteine; 2-Amino-3-mercapto-3-methylbutyric acid; 3-Mercaptovaline; MFCD00004856; (+/-)-penicillamine
CAS 52-66-4; molecular formula C5H11NO2S; molecular weight — g/mol.
DL-Penicillamine, 52-66-4, (+-)-Penicillamine, Valine, 3-mercapto-, 2XOP7Y1H98, RefChem:1049043.
Hazard statements reported: H302, H315, H319, H335.
Melting Point: 198.5 °C; Solubility: 4.65e+00 g/L; LogP: -1.9.
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.