5,6,7-Trimethoxycoumarin CAS 55085-47-7
| CAS No. | 55085-47-7 |
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H12O5, 5,6,7-Trimethoxycoumarin 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 236.22 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).
5,6,7-Trimethoxycoumarin (CAS 55085-47-7) is a high-purity analytical reference standard with the molecular formula C12H12O5 and a molecular weight of 236.22 g/mol.
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), 5,6,7-Trimethoxycoumarin 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 | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Trimethoxycoumarin Standards
Recommended Standards
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- 5-[3,4-(Methylenedioxy)phenyl]-5-oxovaleric acid (CAS 87961-41-9)
- 4-Morpholinyl(4-nitrophenyl)methanone (CAS 5397-76-2)
- [1-(pyrrolidin-2-ylmethyl)pyrrolidin-2-yl]methanol (CAS 1375987-06-6)
- 2-Phenylmethanesulfonyl-1h-1,3-benzodiazole (CAS 100872-42-2)
- 1-(O-tolyl)guanidine hydrochloride (CAS 6976-05-2)
- 5-methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylic acid (CAS 1638767-45-9)
- 17959-92-1 2-Ethyl-6-methyl-2H-1,4-benzoxazin-3(4H)-one MFCD03450646 (CAS 17959-92-1)
- 4-Bromopyrazolo[1,5-a]pyrazine (CAS 1246552-49-7)
- 4-(2,4-Dichlorophenyl)-2-(morpholin-4-yl)-6-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 341964-98-5)
- Ethyl 2-cyclopentylthiazole-5-carboxylate (CAS 1369899-95-5)
- 2,5-Dioxopyrrolidin-1-yl 2-(4-hydroxy-3-nitrophenyl)acetate (CAS 75679-31-1)
- Palmitoyl Tripeptide-5 TFA (CAS 623172-55-4（free base）)
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