3-Amino-2-ethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one CAS 261504-52-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 261504-52-3 |
| Molecular Formula | C12H15N3OS |
| Molecular Weight | 249.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-2-ethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 261504-52-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H15N3OS. Molecular weight: 249.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H15N3OS |
| Molecular Weight | 249.33 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-N-butylbenzo[d]thiazole-6-carboxamide (CAS 1071393-76-4)
- 6-Amino-2-(diethylamino)-4h-1,3-benzothiazin-4-one (CAS 1170826-84-2)
- 3-Amino-2,7-dimethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 120354-21-4)
- 2-Amino-N-isobutylbenzo[d]thiazole-6-carboxamide (CAS 1225697-91-5)
- Ethyl 2-amino-3-(benzo[b]thiophen-3-yl)propanoate (CAS 128193-92-0)
- 2-Amino-4-methyl-5-(piperidine-1-carbonyl)thiophene-3-carbonitrile (CAS 313971-49-2)
- 2-Amino-N-(sec-butyl)benzo[d]thiazole-6-carboxamide (CAS 320740-71-4)
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Recommended Standards
- 3,5-Dimethoxy-N-(thiophen-3-ylmethyl)aniline (CAS 864420-81-5)
- 3-Amino-5-ethyl-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide (CAS 312915-90-5)
- 3,4-Dimethoxy-N-(thiophen-3-ylmethyl)aniline (CAS 864422-00-4)
- 9,10-Anthracenedione, 8-[[6-O-(2-carboxyacetyl)-β-D-glucopyranosyl]oxy]-1-hydroxy-3-methyl- (CAS 205107-13-7)
- (S)-1-(4-(tert-Butyl)phenyl)butan-1-amine hydrochloride (CAS 1263363-60-5)
- 2-(1-Ethoxyethyl)-4-methyl-1,3-thiazole-5-carboxylic acid (CAS 1334146-94-9)
- 4-Amino-1-methyl-n-(1,2-oxazol-4-yl)-1h-pyrazole-3-carboxamide (CAS 1472690-97-3)
- Methyl n-(4-amino-2-fluorophenyl)carbamate (CAS 1094107-83-1)
- Ethyl 2-amino-6-fluorobenzoate hydrochloride (CAS 1432680-72-2)
- C-telopeptide (CAS 162929-64-8)
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