4-(1,3-Dioxo-2,3-dihydro-1h-isoindol-2-yl)-2-methylbenzoic acid CAS 161291-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 161291-72-1 |
| Molecular Formula | C16H11NO4 |
| Molecular Weight | 281.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(1,3-Dioxo-2,3-dihydro-1h-isoindol-2-yl)-2-methylbenzoic acid (CAS 161291-72-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11NO4. Molecular weight: 281.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11NO4 |
| Molecular Weight | 281.26 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 1 |
Related Dioxo Standards
- 4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid (CAS 1004085-26-0)
- 1,3-Dioxo-2-(p-tolyl)isoindoline-5-carboxylic acid (CAS 110784-06-0)
- 2-[1-(2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carbonyl)piperidin-2-yl]acetic acid (CAS 1179760-33-8)
- 4-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-benzoic acid (CAS 227598-41-6)
- Methyl 4-(2,3-dioxo-2,3-dihydro-1H-indol-5-yl) benzoate (CAS 889954-85-2)
- N-(2,4-Dioxo-1,2-dihydroquinazolin-3(4H)-yl)benzamide (CAS 75906-74-0)
- 3-(6-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-(1,3,4-thiadiazol-2-yl)propanamide (CAS 1088112-00-8)
- 7-Benzyl-1,3-dioxo-1,2,3,4,5,6,7,8-octahydro-2,7-naphthyridine-4-carbonitrile (CAS 1228692-26-9)
Recommended Standards
- (3E)-3-[(3-Nitrophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one (CAS 159928-36-6)
- N-Ethyl-2,2,2-trifluoroacetamide (CAS 1682-66-2)
- 5-(3-Aminoprop-1-yn-1-yl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 158665-42-0)
- 2-(4-Bromobenzyl)-4,5-dichloropyridazin-3(2H)-one (CAS 303033-94-5)
- Sodium aminomethanesulfinate (CAS 84195-73-3)
- 2-Methyl-4-nitroisoindoline-1,3-dione (CAS 2593-81-9)
- Methyl 4-(4-(4-Bromophenoxy)phenyl)-2,4-dioxobutanoate (CAS 1159981-00-6)
- 2-Difluoromethoxy-6-fluorothiophenol (CAS 1803824-35-2)
- Benzyl 2-(hydroxymethyl)piperazine-1-carboxylate hydrochloride (CAS 1203013-92-6)
- Hexapeptide-9 (CAS 1228371-11-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com