3-Amino-1-(4-ethoxyphenyl)thiourea CAS 64374-52-3
| CAS No. | 64374-52-3 |
| Molecular Formula | C9H13N3OS |
| Molecular Weight | 211.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H13N3OS, 3-Amino-1-(4-ethoxyphenyl)thiourea contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-Amino-1-(4-ethoxyphenyl)thiourea (CAS 64374-52-3), molecular formula C9H13N3OS and molecular weight 211.28 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H13N3OS |
| Molecular Weight | 211.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (CAS 1022396-45-7)
- 4-Amino-6-methylthiochroman 1,1-dioxide (CAS 1037148-88-1)
- Methyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 108354-78-5)
- 5-amino-2,3,4,5-tetrahydro-1$l^{6}-benzothiepine-1,1-dione (CAS 1094289-20-9)
- 4-Amino-3-methylthiochromane 1,1-dioxide (CAS 1153826-72-2)
- 4-Amino-2-methylthiochroman 1,1-dioxide (CAS 1153828-50-2)
- 4-Amino-8-methylthiochroman 1,1-dioxide (CAS 1184534-31-3)
- Methyl 3-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylate (CAS 119205-38-8)
Recommended Standards
- 3-Amino-1-(2-ethoxyphenyl)thiourea (CAS 64374-51-2)
- 3-Amino-3-[4-(methylsulfanyl)phenyl]propanoic acid (CAS 412925-13-4)
- 3-(Cyclopropylsulfonyl)-2-methylaniline (CAS 2225879-12-7)
- 3-Ethoxy-4-methoxybenzothioamide (CAS 60758-99-8)
- 1-((4-Cyclohexylphenyl)sulfonyl)azepane (CAS 431891-14-4)
- cis-1-amino-3-methyl-cyclobutanecarboxylic acid (CAS 1932254-18-6)
- Methyl 6-(4-methoxybenzylamino)nicotinate (CAS 1187385-93-8)
- 4-Bromo-4,4-difluorobutyricacid (CAS 147345-36-6)
- 2-Amino-1-cycloheptylethan-1-ol (CAS 72799-59-8)
- 5-Amino-1-(β-D-ribofuranosyl)imidazole-4-carboxylic Acid Sodium Salt (CAS 53459-67-9)
- (4-Cyanonaphthalen-2-yl)boronic acid (CAS 1221564-92-6)
- 2-(Cyclopropoxy)ethanol (CAS 20117-44-6)
- 2-chloro-6-nitro-Thiazolo[4,5-b]pyridine (CAS 857970-02-6)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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 18665070610 / Nicole.chen@cato-chem.com