7,7-Dimethylspiro[bicyclo[4.1.0]heptane-3,2'-[1,3]dioxolan]-4-ol CAS 91319-16-3
| CAS No. | 91319-16-3 |
| Molecular Formula | C11H18O3 |
| Molecular Weight | 198.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
7,7-Dimethylspiro[bicyclo[4.1.0]heptane-3,2'-[1,3]dioxolan]-4-ol (CAS 91319-16-3), molecular formula C11H18O3 and molecular weight 198.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7,7-Dimethylspiro[bicyclo[4.1.0]heptane-3,2'-[1,3]dioxolan]-4-ol (C11H18O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 198.26 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 7,7-Dimethylspiro[bicyclo[4.1.0]heptane-3,2'-[1,3]dioxolan]-4-ol 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 | C11H18O3 |
| Molecular Weight | 198.26 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1983 |
Related Dimethylspiro Standards
- 6',7'-Dimethylspiro[cyclopropane-1,3'-indolin]-2'-one (CAS 1360952-77-7)
- (7,7-Dimethylspiro[3.5]nonan-2-yl)methanamine (CAS 2851937-31-8)
- 2,2-Dimethylspiro[chromane-4,1'-cyclopropane]-6-carbaldehyde (CAS 1350761-57-7)
- 1',5-Dimethylspiro[indoline-3,4'-piperidine] (CAS 1186495-62-4)
- 1',4-Dimethylspiro[indoline-3,4'-piperidine] (CAS 1186499-24-0)
- 1',6-Dimethylspiro[indoline-3,4'-piperidine] (CAS 1186499-80-8)
- 3,3-Dimethylspiro[isobenzofuran-1(3H),4-piperidine] (CAS 180160-92-3)
- 4',5'-Dimethylspiro[indoline-3,2'-[1,3]dioxolan]-2-one (CAS 63707-28-8)
Recommended Standards
- 6-Cyclopentyl-6-oxohexanoic acid (CAS 708255-83-8)
- 7-Cyclobutyl-7-oxoheptanoic acid (CAS 898766-83-1)
- tert-butyl 3,6-diazabicyclo[3.1.1]heptane-6-carboxylate (CAS 869494-16-6)
- 7-hydroxynaphthalene-1-carboxylic acid (CAS 2623-37-2)
- 3-(2-Chloro-6-fluorobenzyl)-4-hydroxy-1-(3-morpholinopropyl)pyridin-2(1H)-one (CAS 477860-52-9)
- 2-Methoxy-5-nitrophenyl isothiocyanate (CAS 71793-51-6)
- tert-Butyl 3,4-diaminophenethylcarbamate (CAS 159417-95-5)
- BGT 226 (CAS 1245537-68-1)
- Roxatidine Impurity 10 (CAS CATO-C4X-121310)
- (R)-1-(4-bromo-3-fluorophenyl)but-3-en-1-amine (CAS 1270207-67-4)
- 3-((4-Fluorophenyl)thio)-2-methylcyclopentan-1-one (CAS 1485888-97-8)
- 1-(2-Methoxyethyl)-2,3-dihydro-1h-isoindole (CAS 127797-17-5)
- 7-Chloro-3,4-dihydro-2H-pyrimido[1,2-b]pyridazin-2-one (CAS 24439-16-5)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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