2,3-Dihydro-1-oxopyrrolo[2,1-b]benzothiazole-3a(1H)-carboxylic acid CAS 155796-03-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 155796-03-5 |
| Molecular Formula | C11H9NO3S |
| Molecular Weight | 235.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydro-1-oxopyrrolo[2,1-b]benzothiazole-3a(1H)-carboxylic acid (CAS 155796-03-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9NO3S. Molecular weight: 235.26 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9NO3S |
| Molecular Weight | 235.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 2001 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(Cyanomethyl)-7-(methylsulfonyl)benzimidazole (CAS 1547913-76-7)
- 2-(benzylsulfanyl)-1,3-oxazole-4-carboxylic acid (CAS 1564705-28-7)
- Methyl 3-(benzo[d]thiazol-2-yl)-3-oxopropanoate (CAS 1507228-21-8)
- 5-(4-tert-Butylphenyl)-1-phenyl-1,2-dihydro-3H-1,2,4-triazole-3-thione (CAS 1858255-56-7)
- 1-Bromo-1,1,2,2-tetrafluoro-4-iodobutane (CAS 129587-49-1)
- (r)-2-Amino-3-(phenylselanyl)propanoic acid (CAS 71128-82-0)
- 3-(3,4-Dichlorobenzyl)azetidine (CAS 937629-49-7)
- Tert-butyl 4-((5-bromo-2-methoxyphenyl)sulfonyl)piperazine-1-carboxylate (CAS 1628016-44-3)
- 2-(2,6-dioxo-3-piperidyl)-5-(5-hydroxypent-1-ynyl)isoindoline-1,3-dione (CAS 2357113-47-2)
- Liraglutide(14-22)TFA Salt (CAS CATO-C4X-199212)
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