3,6-Dimethyl-4H-pyrano[4,3-c]isoxazol-4-one CAS 28495-02-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28495-02-5 |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,6-Dimethyl-4H-pyrano[4,3-c]isoxazol-4-one (CAS 28495-02-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H7NO3. Molecular weight: 165.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- 5,6-Dimethyl-2H-imidazo[4,5-e][1,2,4]triazin-3(5H)-one (CAS 112798-22-8)
- 5,7-Dimethyl-3H-pyrazolo[4,3-d][1,2,3]triazin-4(5H)-one (CAS 1239735-10-4)
- 1,5-Dimethyl-3-nitro-1H-pyrrole-2-carbonitrile (CAS 1881320-45-1)
- 1,3-Dimethyl-[1,2,4]triazolo[4,3-b][1,2,4]triazin-7(1H)-one (CAS 61402-36-6)
- 1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 36980-91-3)
- 1,3-Dimethyl-6-cyanouracil (CAS 49846-86-8)
- 1,6-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 5900-41-4)
- 1,7-Dimethyl-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4(1H)-one (CAS 61402-43-5)
Recommended Standards
- 3-(Hydroxymethyl)benzo[d]isoxazol-6-ol (CAS 224456-59-1)
- 3,6-Dimethylisoxazolo[3,4-d]pyrimidin-4(1H)-one (CAS 41896-90-6)
- 3-(Hydroxymethyl)benzo[d]isoxazol-5-ol (CAS 37924-91-7)
- 2-(2-Chlorophenyl)-6-fluoro-4H-chromen-4-one (CAS 527751-46-8)
- 3-(5-Fluoro-1H-benzo[d]imidazol-1-yl)-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 2377991-40-5)
- Ethyl 2-(1-benzoyl-3-oxopiperazin-2-yl)acetate (CAS 318469-64-6)
- 1380571-56-1 N-(4-Hydroxy-benzothiazol-2-yl)-2,2-dimethyl-propionamide (CAS 1380571-56-1)
- (2E)-3-(dimethylamino)-1-(pyridin-2-yl)prop-2-en-1-one 2-[3-(Dimethylamino)acryloyl]pyridine 3-(dimethylamino)-1-(pyridin-2-yl)prop-2-en-1-one 66521-54-8 (CAS 66521-54-8)
- Ethyl 3-amino-2,2-dimethyl-3-thioxopropanoate (CAS 17969-52-7)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
Why CATO?
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