3-({6-ethylthieno[2,3-d]pyrimidin-4-yl}amino)propanoic acid CAS 690702-08-0
| CAS No. | 690702-08-0 |
| Molecular Formula | C11H21N3O2S |
| Molecular Weight | 259.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-({6-ethylthieno[2,3-d]pyrimidin-4-yl}amino)propanoic acid (CAS 690702-08-0), molecular formula C11H21N3O2S and molecular weight 259.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H21N3O2S, 3-({6-ethylthieno[2,3-d]pyrimidin-4-yl}amino)propanoic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 259.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H21N3O2S |
| Molecular Weight | 259.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related ethylthieno Standards
- 2-((6-Ethylthieno[2,3-d]pyrimidin-4-yl)thio)acetic acid (CAS 314034-15-6)
- 4-((6-Ethylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid (CAS 313534-30-4)
- 2-({6-ethylthieno[2,3-d]pyrimidin-4-yl}amino)acetic acid (CAS 313534-29-1)
- 1-(6-Ethylthieno[2,3-d]pyrimidin-4-yl)piperidine-4-carboxylic acid (CAS 842971-64-6)
- 2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid (CAS 85504-39-8)
- 6-Ethylthieno[2,3-d]pyrimidine-4(3H)-thione (CAS 440092-62-6)
- 3-Ethylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 1239758-47-4)
- 6-Ethylthieno[2,3-d]pyrimidin-4-amine (CAS 879873-49-1)
Recommended Standards
- 3-((3,4-Dimethylphenyl)amino)-1-(thiophen-2-yl)propan-1-one (CAS 338988-74-2)
- 3-(p-Tolyl)-1,4,8-triazaspiro[4.5]dec-3-ene-2-thione (CAS 931937-33-6)
- 2-(Piperazin-1-yl)-4-(p-tolyl)thiazole hydrochloride (CAS 924831-73-2)
- 3,5-dimethyl-N,N-dipropyl-1H-pyrazole-4-sulfonamide (CAS 926262-42-2)
- 4-Iodo-6-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190310-76-9)
- Asenapine-13C,d3 (CAS 1217729-73-1)
- 4-Ethyl-2,6-dimethylphenol (CAS 10570-69-1)
- methyl 5-fluoro-3-methyl-2-oxo-1,3-benzoxazole-6-carboxylate (CAS 2387598-91-4)
- Ethyl 1-(3-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 112055-35-3)
- 4,4-Dimethyl-1-[2,3,5,6-tetrafluoro-4-(trifluoro-methyl)phenyl]-1,4-dihydropyrimidine-2-thiol (CAS 1142213-18-0)
- (3,5-Dibromo-4-propoxyphenyl)methanol (CAS 1692704-74-7)
- 4-Chloro-3,4-dimethyl-2-pyrazolin-5-one (CAS 68654-32-0)
- Ethyl (R)-nipecotate (CAS 25137-01-3)
- Mast Cell Degranulating (MCD) Peptide HR-2 (CAS 80388-04-1)
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