(S)-2-Amino-4-(2-aminophenyl)-4-oxobutanoic acid xsulfuric acid salt CAS 13535-93-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13535-93-8 |
| Molecular Formula | C10H12N2O3 H2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2-Amino-4-(2-aminophenyl)-4-oxobutanoic acid xsulfuric acid salt (CAS 13535-93-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H12N2O3 H2O4S. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H12N2O3 H2O4S |
| Molecular Weight | 306.29 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related S Standards
- 3-Amino-1-methyl-4-phenoxyindazole (CAS 1000018-07-4)
- 3-Amino-2,6-dibromo-5-ethoxypyridine (CAS 1000018-10-9)
- Methyl 2-amino-5-bromo-4-isopropylbenzoate (CAS 1000018-13-2)
- Methyl 2-amino-3-(pyridin-2-yl)propanoate (CAS 100002-84-4)
- 100005-23-0 2-Amino-4-(4-methoxyphenyl)-5-methylthiophene-3-carbonitrile 7050AC C13H12N2OS (CAS 100005-23-0)
- Methyl 1-amino-4-cyano-1H-pyrrole-2-carboxylate (CAS 1000313-12-1)
- 6-Amino-7-hydroxy-2,3-dihydro-1H-inden-1-one hydrobromide (CAS 1000333-87-8)
- 6-Amino-7-iodo-2,3-dihydro-1H-inden-1-one (CAS 1000333-93-6)
Recommended Standards
- N-(1,3-Benzodioxol-5-ylmethyl)-1-benzylpiperidin-4-amine (CAS 921102-89-8)
- 1-(Aminomethyl)cyclopentyl 2,2,2-trifluoroacetate (CAS 1341036-08-5)
- 4-Bromophenyl Methylcarbamate (CAS 13538-50-6)
- Ethyl 2-(4-methylbenzamido)-5-phenylthiophene-3-carboxylate (CAS 307536-23-8)
- rel-tert-Butyl (3aR,7aR)-octahydro-2H-pyrrolo[3,4-c]pyridine-2-carboxylate hydrochloride (CAS 1841081-66-0)
- (1,3-Dihydrofuro[3,4-c]pyridin-6-yl)methanol (CAS 1075237-72-7)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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