(S)-2-(1,3-dioxoisoindolin-2-yl)pentanedioic acid CAS 340-90-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 340-90-9 |
| Molecular Formula | C13H11NO6 |
| Molecular Weight | 277.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(S)-2-(1,3-dioxoisoindolin-2-yl)pentanedioic acid (CAS 340-90-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11NO6. Molecular weight: 277.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H11NO6 |
| Molecular Weight | 277.23 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (E)-2-cyano-3-(4,5-dimethoxy-2-nitrophenyl)acrylamide (CAS 55801-65-5)
- (Z)-1-(pyrazin-2-yl)ethan-1-one O-(2,6-difluorobenzoyl) oxime (CAS 866050-55-7)
- (4,5-Dimethoxy-2-nitrophenyl)(furan-2-yl)methanone (CAS 886493-85-2)
- (2R,3R,4R,5R)-2-amino-3,4,5,6-tetrahydroxyhexanal (CAS 1948-54-5)
- (R)-1-(4-nitrophenyl)piperidine-3-carboxylic acid (CAS 1260603-87-9)
- N-tert-Butoxycarbonylimidazole (CAS 49761-82-2)
- 2-(Aminomethyl)-4-cyano-5-(difluoromethyl)pyridine (CAS 1804980-39-9)
- (11bS)-N,N-Bis[(S)-(+)-1-(2-methoxyphenyl)ethyl]dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine (CAS 776316-48-4)
- 3-Bromo-6-chloroimidazo[1,2-b]pyridazine hydrochloride (CAS 13526-67-5)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
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