42406-53-1 Butanedioic acid, (1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, (S)- (S)-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)butanedioic acid N-Phthaloyl-L-aspartic acid CAS 42406-53-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42406-53-1 |
| Molecular Formula | C12H9NO6 |
| Molecular Weight | 263.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
42406-53-1 Butanedioic acid, (1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, (S)- (S)-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)butanedioic acid N-Phthaloyl-L-aspartic acid (CAS 42406-53-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9NO6. Molecular weight: 263.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H9NO6 |
| Molecular Weight | 263.20 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.) | 1969 |
| Nitrogen Atoms | 1 |
Related Butanedioic Standards
- Butanedioic acid, 2-(4-chlorophenyl)-, 1,4-dimethyl ester (CAS 36122-30-2)
- Butanedioic acid, 1-(1,1-dimethylethyl) 4-(2,5-dioxo-1-pyrrolidinyl) ester (CAS 138833-93-9)
- Butanedioic acid, 2-(tetrapropenyl)- (CAS 27859-58-1)
- Butanedioic acid, 2-[(4-methylphenyl)methyl]-, 1,4-diethyl ester (CAS 2102410-72-8)
- Butanedioic acid, bromo-, dimethyl ester, (R)- (CAS 99147-12-3)
- 3700-89-8 Butanedioic acid, ((dimethoxyphosphinothioyl)thio)-, dimethyl ester (9CI) Phosphorodithioic acid, S-(1,2-dimethoxycarbonyl)ethyl O,O-dimethyl ester 4-03-00-01135 (Beilstein Handbook Reference) BRN 1802414 Carbomethoxy malathion S-(1,2-Dimethoxycarbonyl)ethyl O,O-dimethyl phosphorodithioate O,O-Dimethyl S-(1,2-dicarbomethoxy)ethyl phosphorodithioate O,O-Dimethyl malathion Phosphorodithioic acid, O,O-dimethyl ester,S-ester with 1,2-bis(methoxycarbonyl)ethanethiol Succinic acid, mercapto-, dimethyl ester, O,O-dimethyl phosphorodithioate Take 20 (CAS 3700-89-8)
- Butanedioic acid, 2-(3,4-dimethylphenyl) (CAS 860428-69-9)
- Butanedioic acid, 2-methylene-, 1,4-di-2-propen-1-yl ester (CAS 2767-99-9)
Recommended Standards
- Ethyl 7-nitro-2-oxo-2H-chromene-3-carboxylate (CAS 385418-75-7)
- Gemcitabine (CAS 95058-81-4)
- 5-[2-(5-Nitro-2-furanyl)ethenyl]-2-furancarboxylic Acid Methyl Ester (CAS 24269-96-3)
- (S)-1-(3-fluoro-4-methylphenyl)but-3-en-1-amine (CAS 1270107-35-1)
- Ethyl 5,5-dimethyl-4,5,6,7-tetrahydro-1H-indazole-3-carboxylate (CAS 1423716-55-5)
- Mirabegron Impurity 5 (CAS CATO-C4X-10325)
- Methyl (2S)-2-cyclopentyl-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}acetate (CAS 1820580-47-9)
- 2-Octyl-1,3,6,2-dioxazaborocane (CAS 96508-56-4)
- 2-Methyl-2,3-diphosphonosuccinic acid (CAS 70795-03-8)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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