2-(2-Oxo-2,3-dihydro-1h-indol-1-yl)acetic acid CAS 40380-68-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40380-68-5 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-(2-Oxo-2,3-dihydro-1h-indol-1-yl)acetic acid (CAS 40380-68-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9NO3. Molecular weight: 191.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 2-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-4-yl)acetaldehyde (CAS 1000771-62-9)
- 2-(2-Oxo-2,3-dihydro-1h-indol-6-yl)acetic acid (CAS 101566-05-6)
- 5-Phenyl-4,5-dihydro-1,2-oxazole-3-carboxylic acid (CAS 10313-27-6)
- 6-Acetyl-3,4-dihydro-2H-benzo[e][1,3]oxazin-2-one (CAS 1244949-73-2)
- 3, 4-Dihydro- 5- nitro-2(1H) -naphthalenone (CAS 89331-01-1)
- 3,4-Dihydro-2H-1,5-benzodioxepin-7-ylisocyanate (CAS 368869-87-8)
- 3-Phenyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 4872-58-6)
- 7-Acetyl-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 84330-84-7)
Recommended Standards
- 2-(2-Methyl-1,3-benzoxazol-5-yl)acetic acid (CAS 38196-01-9)
- 2-(3,4-Difluorophenyl)pyridine (CAS 387831-85-8)
- 2-(2-Hydroxyphenyl)-4-methyloxazol-5(4H)-one (CAS 56145-96-1)
- 2-((4-Acetylphenyl)amino)-1,5,8-trihydroxyanthracene-9,10-dione (CAS 61548-27-4)
- (3-((1,3-Dioxoisoindolin-2-yl)methyl)phenyl)boronic acid (CAS 935701-06-7)
- N-(2-Bromo-4-methylphenyl)-2-butylsulfanylbenzamide (CAS 88312-84-9)
- 1-Fluoro-4-(trimethoxymethyl)benzene (CAS 10345-73-0)
- tert-Butyl (R)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrrolidine-1-carboxylate (CAS 2250336-11-7)
- 1-(5-Chloro-2-methoxypyridin-3-yl)-3-(7-cyclopropyl-2-methylthiazolo[5,4-b]pyridin-6-yl)urea (CAS 2178994-82-4)
- Semaglutide Sodium Salt (CAS CATO-C4X-222620)
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