1,3-Isobenzofurandione, tetrahydro-5-methyl- CAS 34090-76-1
| CAS No. | 34090-76-1 |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 166.17 g/mol gives 1,3-Isobenzofurandione, tetrahydro-5-methyl- distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,3-Isobenzofurandione, tetrahydro-5-methyl- (CAS 34090-76-1) is a high-purity analytical reference standard with the molecular formula C9H10O3 and a molecular weight of 166.17 g/mol.
Based on its molecular formula C9H10O3, 1,3-Isobenzofurandione, tetrahydro-5-methyl- contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 166.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1,3-Isobenzofurandione, tetrahydro-5-methyl- 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 | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Related Isobenzofurandione Standards
- 1,3-Isobenzofurandione, 4,7-dibromo (CAS 25834-16-6)
- 1,3-Isobenzofurandione, polymer with 2,2'-oxybis[ethanol] and 2,2,4-trimethyl-1,3-pentanediol, 2-ethylhexyl ester (CAS 102030-00-2)
- 1,3-Isobenzofurandione, polymer with 1,3-butanediol, 1,2-ethanediol and 2,5-furandione, reaction products with 3-(triethoxysilyl)-1-propanamine (CAS 102783-83-5)
- 1,3-Isobenzofurandione, 5,5'-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis-, polymer with 4,4'-oxybis[benzenamine] and 4,4'-sulfonylbis[benzenamine] (CAS 103443-55-6)
- 1,3-Isobenzofurandione, 5,5'-[[1,1'-biphenyl]-4,4'-diylbis(oxy)]bis-, polymer with 1,3-isobenzofurandione and 4,4'-sulfonylbis[benzenamine] (CAS 125881-35-8)
- 1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 1,3-diisocyanatomethylbenzene and 1,1'-methylenebis[isocyanatobenzene] (CAS 152187-64-9)
- 1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-7-methyl-5-(tetrahydro-2,5-dioxo-3-furanyl)-, polymer with 4,4'-oxybis[benzenamine] (CAS 73038-27-4)
- 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, polymer with 1,2-ethanediol and 2,5-furandione (CAS 25749-55-7)
Recommended Standards
- 1-(Furan-3-yl)pentane-1,4-dione (CAS 496-06-0)
- 2-Hydroxyethyl benzoate (CAS 94-33-7)
- 1-(Furan-2-yl)pentane-1,4-dione (CAS 52786-29-5)
- 2-(1,3-Dioxolan-2-yl)phenol (CAS 6988-19-8)
- 5-Iodo-N1-methylbenzene-1,2-diamine (CAS 1369860-09-2)
- (S)-2-((tert-Butoxycarbonyl)amino)-2-(pyridin-2-yl)acetic acid (CAS 1228542-50-4)
- (2S)-N-(thietan-3-yl)-7-oxabicyclo[2.2.1]Heptan-2-amine (CAS 1848502-34-0)
- Diethyl-(6-Morpholin-4-Yl-Hex-4-Ynyl)-Amine (CAS 6628-91-7)
- N-(1-methoxybut-3-en-2-yl)thietan-3-amine (CAS 1849255-55-5)
- 4-(Prop-2-yn-1-yl)oxane-4-carboxylic acid (CAS 1506435-40-0)
- Methyl 2-bromo-3-cyano-4-nitrobenzoate (CAS 1807020-73-0)
- 4-Methyl-N'-(1-methyl-2,2-dioxido-1H-thieno[3,2-c][1,2]thiazin-4(3H)-ylidene)benzohydrazide (CAS 341968-11-4)
- Methyl 3-(azetidin-3-yl)benzoate hydrochloride (CAS 1203683-86-6)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
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 18665070610 / Nicole.chen@cato-chem.com