(6,7-Dihydro-5H-cyclopenta[4,5]thieno[2,3-d]-pyrimidin-4-ylamino)-acetic acid CAS 401820-32-4
| CAS No. | 401820-32-4 |
| Molecular Formula | C11H11N3O2S |
| Molecular Weight | 249.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (6,7-Dihydro-5H-cyclopenta[4,5]thieno[2,3-d]-pyrimidin-4-ylamino)-acetic acid (C11H11N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 249.29 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (6,7-Dihydro-5H-cyclopenta[4,5]thieno[2,3-d]-pyrimidin-4-ylamino)-acetic acid (CAS 401820-32-4), a certified reference material (molecular formula C11H11N3O2S, MW 249.29 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (6,7-Dihydro-5H-cyclopenta[4,5]thieno[2,3-d]-pyrimidin-4-ylamino)-acetic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H11N3O2S |
| Molecular Weight | 249.29 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 4-(2,3-dihydro-1,4-benzodioxin-6-yl)-5-methyl-4H-1,2,4-triazole-3-thiol (CAS 306936-85-6)
- 5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-2,4-dihydro-4-methyl-3H-1,2,4-triazole-3-thione (CAS 685119-94-2)
- 5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-6h-1,3,4-thiadiazin-2-amine (CAS 796106-57-5)
- 10-Methyl-1,11-dihydro-2H-pyrimido[4,5-a]carbazol-2-one (CAS 248246-46-0)
- 8-Methyl-1,11-dihydro-2H-pyrimido[4,5-a]carbazol-2-one (CAS 248246-44-8)
- 9-Methyl-1,11-dihydro-2H-pyrimido[4,5-a]carbazol-2-one (CAS 248246-45-9)
- 2-((2,3-Dihydro-1h-inden-5-yl)oxy)-N-(1-hydroxypropan-2-yl)acetamide (CAS 1090367-29-5)
- 5-(2,3-Dihydro-1H-inden-5-yl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 866050-21-7)
Recommended Standards
- (5Z)-5-[(4-Methoxyphenyl)methylidene]-3-methyl-1,3-thiazolidine-2,4-dione (CAS 642474-13-3)
- (E)-4-(((4-Methoxyphenyl)thio)methylene)-3-methylisoxazol-5(4H)-one (CAS 61861-75-4)
- (5-(Thiophen-2-yl)isoxazol-3-yl)methyl cyclopropanecarboxylate (CAS 946264-83-1)
- (E)-N'-(4-(2,4-dimethylthiazol-5-yl)pyrimidin-2-yl)-N-hydroxyformimidamide (CAS 566149-74-4)
- N,N-Dimethyl-N-(2-(undec-10-enamido)ethyl)pentan-1-aminium bromide (CAS 1101602-48-5)
- 5-chloro-2-((4-methoxyphenyl)ethynyl)benzaldehyde (CAS 1588973-16-3)
- 8-Methoxy-5,6,7,8-tetrahydroquinoline (CAS 75414-07-2)
- 5-Fluoro-6-imino-4-(trifluoromethyl)-1,6-dihydropyridin-3-amine (CAS 675602-90-1)
- N-(4-Chlorobutyl)quinoline-4-carboxamide (CAS 502708-41-0)
- 5-(4-Methoxyphenyl)-2-((phenylsulfonyl)methyl)cyclohexane-1,3-dione (CAS 306978-17-6)
- Benzyl (2-((S)-2-amino-N-ethylpropanamido)cyclohexyl)carbamate (CAS 1354033-13-8)
- 2-Amino-5-bromo-6-(difluoromethyl)pyridin-3-ol (CAS 1804722-67-5)
- 2-(1,4-oxazepan-4-yl)ethanamine (CAS 878155-50-1)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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