3-(2,3-Dioxo-2,3-dihydro-1H-indol-5-yl) benzoic acid CAS 889954-55-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 889954-55-6 |
| Molecular Formula | C16H12O3 |
| Molecular Weight | 252.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(2,3-Dioxo-2,3-dihydro-1H-indol-5-yl) benzoic acid (CAS 889954-55-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H12O3. Molecular weight: 252.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H12O3 |
| Molecular Weight | 252.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Dioxo Standards
- 4-(2,3-Dioxo-2,3-dihydro-1H-indol-5-yl) benzoic acid (CAS 889954-60-3)
- 3-(2,5-Dioxo-2,5-dihydro-1h-pyrrol-1-yl)benzene-1-sulfonamide (CAS 1020993-03-6)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzenesulfonamide (CAS 7300-97-2)
- Methyl 2,4-dioxo-6-(2-thienyl)-cyclohexanecarboxylate (CAS 1256628-02-0)
- 9,10-Dioxo-9,10-dihydroanthracene-1-carboxylic Acid (CAS 602-69-7)
- 9,10-Dioxo-9,10-dihydrophenanthrene-3-carboxylic acid (CAS 32155-34-3)
- 2,4-Dioxo-1-propyl-1,2,3,4-tetrahydropyrimidine-5-sulfonyl chloride (CAS 1339172-38-1)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzenesulfonic acid (CAS 1886-76-6)
Recommended Standards
- 3-(2,3-Dihydro-1,4-benzodioxin-6-yl)benzoic acid (CAS 893737-37-6)
- 3-(2-Acetyl-4,5-dimethoxyphenyl)propanoic acid (CAS 97025-29-1)
- 3-(2-(tert-Butoxy)-2-oxoethoxy)benzoic acid (CAS 313709-63-6)
- 4-(4-Fluorophenyl)-6-(piperazin-1-yl)pyrimidine (CAS 1143577-57-4)
- Ethacrynic Acid Mercapturate (Mixture of diastereomers (CAS 54546-23-5)
- (3aS,4S,6aR)-2,2-Dimethyl-6-((trityloxy)methyl)-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-ol, 97% (CAS 163226-45-7)
- (2-Chloro-3-cyanopyridin-4-yl)boronic acid (CAS 878194-88-8)
- 4-Chloroaniline-<SUP>13</SUP>C<SUB>6</SUB> (CAS 1313734-69-8)
- 3-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-amine (CAS 2589697-00-5)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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