3-Amino-8-methylthieno[2,3-b]quinoline-2-carboxylic acid CAS 351361-81-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 351361-81-4 |
| Molecular Formula | C13H10N2O2S |
| Molecular Weight | 258.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-8-methylthieno[2,3-b]quinoline-2-carboxylic acid (CAS 351361-81-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H10N2O2S. Molecular weight: 258.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H10N2O2S |
| Molecular Weight | 258.30 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-5-methyl-7-phenyl[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one (CAS 1105192-23-1)
- 3-Amino-6-benzyl-7H-thiazolo[3,2-b][1,2,4]triazin-7-one (CAS 1707586-93-3)
- (2E)-2-(5-Amino-1,3,4-thiadiazol-2-yl)-3-(4-methoxyphenyl)prop-2-enenitrile (CAS 170802-09-2)
- 3-(2-Amino-5-methylthiazol-4-yl)-2H-chromen-2-one (CAS 422272-41-1)
- 3-Amino-6-methylthieno[2,3-b]quinoline-2-carboxylic acid (CAS 462066-87-1)
- 3-Amino-6-methyl-thieno[2,3-b]quinoline-2-carboxylic acid (CAS 873437-82-2)
- 4-Amino-3-(1-hydroxynaphthalen-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 2494274-02-9)
- 4-Amino-5-(3-phenyl-1h-pyrazol-5-yl)-4h-1,2,4-triazole-3-thiol (CAS 366007-57-0)
Recommended Standards
- 3-Cyano-N-phenylbenzenesulfonamide (CAS 56542-65-5)
- 3-Methyl-6-phenylimidazo[2,1-b]thiazole-2-carboxylic acid (CAS 446829-85-2)
- 3-(Furan-2-ylmethyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 333785-55-0)
- 1-(2-Bromoethyl)-1H-pyrrole-2,5-dione (CAS 95212-17-2)
- 2-Hydroxy-5-methoxy-3-tridecylcyclohexa-2,5-diene-1,4-dione (CAS 19833-82-0)
- (2-(4-(Trifluoromethyl)phenyl)thiazol-4-yl)methanol (CAS 857284-25-4)
- Ethyl 4-bromo-5-fluoro-2-iodobenzeneacetate (CAS 2385493-12-7)
- n-(4-Bromophenyl)-5-methylfuran-2-carboxamide (CAS 540755-09-7)
- Vonoprazan Impurity 150 (CAS 312307-69-0)
- Insulin Lispro (CAS 133107-64-9)
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