7-Methyl-1,3-dioxo-2-phenyl-octahydro-1h-isoindole-4-carboxylic acid CAS 1221724-77-1
| CAS No. | 1221724-77-1 |
| Molecular Formula | C16H17NO4 |
| Molecular Weight | 287.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Methyl-1,3-dioxo-2-phenyl-octahydro-1h-isoindole-4-carboxylic acid (CAS 1221724-77-1), molecular formula C16H17NO4 and molecular weight 287.31 g/mol, is a CATO reference standard with documented purity and traceability.
7-Methyl-1,3-dioxo-2-phenyl-octahydro-1h-isoindole-4-carboxylic acid (C16H17NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-Methyl-1,3-dioxo-2-phenyl-octahydro-1h-isoindole-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H17NO4 |
| Molecular Weight | 287.31 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- 7-Amino Flunitrazepam-13C,D3 (CAS 1217062-64-0)
- Methyl 3-amino-4-(benzyloxy)-5-methoxybenzoate (CAS 1221791-79-2)
- 2-Azido-1-(4'-methoxy-3'-sulfonamidophenyl)-1-propanone-d3 (CAS 1215522-54-5)
- 2-(3-Methyl-6-oxopyridazin-1(6H)-yl)-N-(2-phenoxyethyl)acetamide (CAS 1235049-19-0)
- 2-((5-(4-Hydroxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-phenylacetamide (CAS 332906-58-8)
- (S)-2-methyl-1-(2,4,5-trifluorophenyl)propan-1-amine (CAS 1213478-50-2)
- 5-(Aminomethyl)furan-2-carbonitrile Hydrochloride (CAS 203792-32-9)
- n-((1h-Indol-4-yl)methyl)-2-methylpropan-2-amine (CAS 1269465-98-6)
- Cinepazide Impurity 2 (CAS 1227926-25-1)
- Rd3-0028 (CAS 3886-39-3)
- 3-(2-Amino-6-methylpyrimidin-4-yl)benzonitrile (CAS 913322-66-4)
- 4335-90-4 2,4-Pentanedione, 3-benzylidene- 2,4-Pentanedione, 3-(phenylmethylene)- 3-(Phenylmethylene)pentane-2,4-dione 4-07-00-02355 (Beilstein Handbook Reference) 2-Acetyl-1-phenyl but-1-en-3-one AI3-07406 Benzalacetylacetone Benzylidene acetylacetone 3-Benzylidene acetylacetone 3-Benzylideneacetylacetone 3-Benzylidene-2,4-pentanedione BRN 0972849 1,1-Diacetyl-2-phenylethylene (2,2-Diacetylvinyl)benzene EINECS 224-382-5 NSC 35140 (CAS 4335-90-4)
- 4-Ethoxypicolinic acid (CAS 17076-14-1)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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