S-(4-Nitrophenyl)-L-cysteine CAS 55288-30-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55288-30-7 |
| Molecular Formula | C9H10N2O4S |
| Molecular Weight | 242.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
S-(4-Nitrophenyl)-L-cysteine (CAS 55288-30-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H10N2O4S. Molecular weight: 242.25 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H10N2O4S |
| Molecular Weight | 242.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related S Standards
- 2-(((2-Nitrophenyl)thio)amino)propanoic acid (CAS 5879-39-0)
- 2-Methyl-1-((4-nitrophenyl)sulfonyl)aziridine (CAS 21384-01-0)
- S-(2-nitrophenyl)-L-cysteine (CAS 60115-45-9)
- 1-(4-Nitrophenyl)-2-(pyridin-3-yl)ethan-1-one (CAS 3769-92-4)
- 2-(4-Nitrophenyl)-1-(pyridin-3-yl)ethan-1-one (CAS 3769-99-1)
- N-(2-nitrophenyl)benzamide (CAS 728-90-5)
- N-(3-Nitrophenyl)benzamide (CAS 4771-08-8)
- N-(4-Nitrophenyl)benzamide (CAS 3393-96-2)
Recommended Standards
- tert-Butyl (2-fluoro-5-methoxypyridin-4-yl)carbamate (CAS 2138420-12-7)
- N-Cyclopropyl-2-nitrobenzenesulfonamide (CAS 400839-43-2)
- (4S)-6-fluoro-2,3-dihydro-2'H,5'H-spiro[chromene-4,4'-imidazolidine]-2',5'-dione (4S)-6-fluorospiro[2,3-dihydrochromene-4,5'-imidazolidine]-2',4'-dione 68367-52-2 CP 45634 CP-45634 D-6-fluoro-spiro(chroman-4,4'-imidazolidine)-2',5'-dione D02CGC SBI Sorbinil Sorbinil (USAN/INN) Sorbinilo Sorbinilo [Spanish] Sorbinilum Sorbinilum [Latin] (CAS 68367-52-2)
- 3-(2-azepan-1-yl-1H-inden-3-yl)-1-(4-fluorophenyl)prop-2-en-1-one (CAS 299461-71-5)
- N-(4-(piperazin-1-yl)phenyl)methanesulfonamide hydrochloride (CAS 112940-54-2)
- 4-Fluoro-3-methoxyaniline, HCl (CAS 22510-10-7)
- Tert-butyl 5-(hydroxymethyl)-3,3-dimethylpiperidine-1-carboxylate (CAS 1781046-65-8)
- 1,2,4-Trichloro-5-(difluoromethyl)benzene (CAS 1261779-10-5)
- (6-Chloro-chroman-3-yl)-methylamine hydrochloride (CAS 2305079-70-1)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com